Finding the Fourth Proportional to 630,193,942.16, 868,859,248.11 and 516,745,446.06
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Solution
The fourth proportional to 630,193,942.16, 868,859,248.11 and 516,745,446.06 is: 712,445,851.49
Step by Step Solution
- Step 1: Write the proportion equation
630,193,942.16 : 868,859,248.11 = 516,745,446.06 : x - Step 2: Convert to fraction form
630,193,942.16/868,859,248.11 = 516,745,446.06/x - Step 3: Cross multiply
630,193,942.16x = 868,859,248.11 × 516,745,446.06 - Step 4: Simplify right side
630,193,942.16x = 448,979,059,725,374,464 - Step 5: Solve for x
x = 448,979,059,725,374,464/630,193,942.16 - Step 6: Final answer
x = 712,445,851.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.