(1/10) / (1/10) = 1 
(1/9) / (1/9) = 1
(1/8) / (1/8) = 1
(1/USD) / (1/USD) = 1

I see a chart denominated in dragons.

(XMR/Dragons) / (BTC/Dragons) = (XMR) / (BTC) 😉