Earlier this week, Bill and Melinda Gates surprised the world when they announced they would be ending their marriage after 27 years. The couple, who met when Melinda was a product manager at the company Bill founded, Microsoft, and who share three children (Jennifer, 25, Rory, 21, and Phoebe, 18) did not have a prenuptial agreement. Forbes estimates that Bill’s net worth is $129.3 billion, making him the fourth-richest person in the world behind Jeff Bezos, Elon Musk, and LVMH chairman Bernard Arnault. It has come to light that the Gateses do have a separation agreement, a document they...