'Three' in the Bible

And I heard [something] like a voice in the midst of the four living creatures saying, "A quart of wheat for a denarius, and three quarts of barley for a denarius, and do not damage the olive oil and the wine!"

And I looked, and I heard one eagle flying {directly overhead}, saying with a loud voice, "Woe, woe, woe to those who live on the earth, from the remaining sounds of the trumpets of the three angels who are about to blow the trumpet!"

By these three plagues a third of humanity was killed--by the fire and the smoke and the sulphur that came out of their mouths.

And [those] from peoples and tribes and languages and nations will see their dead bodies three and a half days, and they will not allow their dead bodies to be placed in a tomb.

And after the three and a half days, the breath of life from God entered into them, and they stood on their feet, and great fear fell on those who saw them.

And I saw coming out of the mouth of the dragon and out of the mouth of the beast and out of the mouth of the false prophet three unclean spirits like frogs.

And the great city was [split] into three parts, and the cities of the nations fell. And Babylon the great was remembered before God, to give her the cup of the wine of his furious wrath.

on the east, three gates, and on the north, three gates, and on the south, three gates, and on the west, three gates.