Finding the Fourth Proportional to 532,156,655.40, 797,563,136.70 and 471,690,479.40
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Solution
The fourth proportional to 532,156,655.40, 797,563,136.70 and 471,690,479.40 is: 706,940,211.09
Step by Step Solution
- Step 1: Write the proportion equation
532,156,655.40 : 797,563,136.70 = 471,690,479.40 : x - Step 2: Convert to fraction form
532,156,655.40/797,563,136.70 = 471,690,479.40/x - Step 3: Cross multiply
532,156,655.40x = 797,563,136.70 × 471,690,479.40 - Step 4: Simplify right side
532,156,655.40x = 376,202,938,301,790,720 - Step 5: Solve for x
x = 376,202,938,301,790,720/532,156,655.40 - Step 6: Final answer
x = 706,940,211.09
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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.