Consider the following reactions and their respective equilibrium constants:
NO(g)+12Br2(g)⇌NOBr(g)Kp=5.3

2NO(g)⇌N2(g)+O2(g)Kp=2.1×1030

Use these reactions and their equilibrium constants to predict the equilibrium constant for the following reaction:
N2(g)+O2(g)+Br2(g)⇌2NOBr(g)