According to the basic nature of proportion, if 3a=4b, then ((a)/(b))=what.
根据比例的基本性质，若3a=4b，那么((a)/(b))=多少．
<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<result>4/3 = around 1.333333</result>