Finding the Fourth Proportional to 932,230,040,781.60, 1,286,463,876,874.70 and 520,704,375,320.90
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Solution
The fourth proportional to 932,230,040,781.60, 1,286,463,876,874.70 and 520,704,375,320.90 is: 718,564,453,060.66
Step by Step Solution
- Step 1: Write the proportion equation
932,230,040,781.60 : 1,286,463,876,874.70 = 520,704,375,320.90 : x - Step 2: Convert to fraction form
932,230,040,781.60/1,286,463,876,874.70 = 520,704,375,320.90/x - Step 3: Cross multiply
932,230,040,781.60x = 1,286,463,876,874.70 × 520,704,375,320.90 - Step 4: Simplify right side
932,230,040,781.60x = 669,867,369,380,943,837,003,776 - Step 5: Solve for x
x = 669,867,369,380,943,837,003,776/932,230,040,781.60 - Step 6: Final answer
x = 718,564,453,060.66
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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.