Finding the Fourth Proportional to 314,909,684.19, 472,310,689.64 and 84,824,960.49
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Solution
The fourth proportional to 314,909,684.19, 472,310,689.64 and 84,824,960.49 is: 127,222,939.14
Step by Step Solution
- Step 1: Write the proportion equation
314,909,684.19 : 472,310,689.64 = 84,824,960.49 : x - Step 2: Convert to fraction form
314,909,684.19/472,310,689.64 = 84,824,960.49/x - Step 3: Cross multiply
314,909,684.19x = 472,310,689.64 × 84,824,960.49 - Step 4: Simplify right side
314,909,684.19x = 40,063,735,587,293,528 - Step 5: Solve for x
x = 40,063,735,587,293,528/314,909,684.19 - Step 6: Final answer
x = 127,222,939.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.