4 Bible Verses about Fractions, One Third

A third of mankind was killed by these three plagues, by the fire and the smoke and sulfur that came out of their mouths.

The first angel sounded his trumpet, and there came hail and fire, mixed with blood, and they were thrown to the earth; and a third of the earth was burned up, and a third of the trees were burned up, and all the green grass was burned up. The second angel sounded his trumpet, and something like a great mountain burning with fire was thrown into the sea; and a third of the sea became blood, and a third of the living creatures in the sea died; and a third of the ships were destroyed.read more.
The third angel sounded his trumpet, and a great star fell from heaven, blazing like a torch, and it fell on a third of the rivers and on the springs of water. The name of the star is Wormwood. A third of the waters became Wormwood, and many men died from the waters, because they were made bitter. The fourth angel sounded his trumpet, and a third of the sun was struck, a third of the moon, and a third of the stars, so that a third of them darkened. And a third of the day was without light, and also a third of the night.

And the four angels, who had been held ready for the hour and day and month and year, were released to kill a third of mankind.

And his tail swept away a third of the stars of heaven, and threw them to the earth. And the dragon stood before the woman who was about to give birth, so that he might devour her child when it was born.