Finding the Fourth Proportional to 648,146,949.12, 894,363,586.56 and 516,323,635.20
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Solution
The fourth proportional to 648,146,949.12, 894,363,586.56 and 516,323,635.20 is: 712,463,522.09
Step by Step Solution
- Step 1: Write the proportion equation
648,146,949.12 : 894,363,586.56 = 516,323,635.20 : x - Step 2: Convert to fraction form
648,146,949.12/894,363,586.56 = 516,323,635.20/x - Step 3: Cross multiply
648,146,949.12x = 894,363,586.56 × 516,323,635.20 - Step 4: Simplify right side
648,146,949.12x = 461,781,058,203,169,024 - Step 5: Solve for x
x = 461,781,058,203,169,024/648,146,949.12 - Step 6: Final answer
x = 712,463,522.09
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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.