Finding the Fourth Proportional to 547,045,963.98, 754,854,265.71 and 435,818,906.70
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Solution
The fourth proportional to 547,045,963.98, 754,854,265.71 and 435,818,906.70 is: 601,374,989.42
Step by Step Solution
- Step 1: Write the proportion equation
547,045,963.98 : 754,854,265.71 = 435,818,906.70 : x - Step 2: Convert to fraction form
547,045,963.98/754,854,265.71 = 435,818,906.70/x - Step 3: Cross multiply
547,045,963.98x = 754,854,265.71 × 435,818,906.70 - Step 4: Simplify right side
547,045,963.98x = 328,979,760,799,563,520 - Step 5: Solve for x
x = 328,979,760,799,563,520/547,045,963.98 - Step 6: Final answer
x = 601,374,989.42
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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.