Bluebulb Projects' The Measure of Things presents:
390 is about four-fifths the number of Olympic Gold Medals Won by the Soviet Union.
In other words, it's 0.825 times the count of Olympic Gold Medals Won by the Soviet Union, and the count of Olympic Gold Medals Won by the Soviet Union is 1.21 times that amount.
(a.k.a. Union of Soviet Socialist Republics, a.k.a. USSR, a.k.a. Сою́з Сове́тских Социалисти́ческих Респу́блик
, a.k.a. CCCP) (a.k.a. Olympic Games, a.k.a. Jeux olympiques
) (Summer and Winter Games grand totals; excluding Russian Federation Medals) (1952 thru 1988 figures)