'Four' in the Bible

A river flows from Eden to water the garden, and from there it divides, becoming four branches.

against King Chedorlaomer of Elam, King Tidal of Goiim, King Amraphel of Shinar, and King Arioch of Ellasar four kings against five.

When harvest season arrives, you are to provide a fifth of the harvest to Pharaoh. The remaining four fifths are to be for your use, for seed, and to feed you, your households, and your little ones."