Finding the Fourth Proportional to 664,227,286.20, 997,364,863.26 and 561,940,508.88
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Solution
The fourth proportional to 664,227,286.20, 997,364,863.26 and 561,940,508.88 is: 843,777,017.96
Step by Step Solution
- Step 1: Write the proportion equation
664,227,286.20 : 997,364,863.26 = 561,940,508.88 : x - Step 2: Convert to fraction form
664,227,286.20/997,364,863.26 = 561,940,508.88/x - Step 3: Cross multiply
664,227,286.20x = 997,364,863.26 × 561,940,508.88 - Step 4: Simplify right side
664,227,286.20x = 560,459,718,799,356,032 - Step 5: Solve for x
x = 560,459,718,799,356,032/664,227,286.20 - Step 6: Final answer
x = 843,777,017.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.