Berean Study Bible (BSB) - Jeremiah 51:49 >

“Babylon must fall on account of the slain of Israel, just as the slain of all the earth have fallen because of Babylon.

Jewish Publication Society of America Version (JPS1917) - Jeremiah 51:49 >

As Babylon hath caused the slain of Israel to fall, so at Babylon shall fall the slain of all the land.