Finding the Fourth Proportional to 671,254,412,538.20, 926,503,442,290.40 and 437,192,960,523.17
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Solution
The fourth proportional to 671,254,412,538.20, 926,503,442,290.40 and 437,192,960,523.17 is: 603,438,540,296.82
Step by Step Solution
- Step 1: Write the proportion equation
671,254,412,538.20 : 926,503,442,290.40 = 437,192,960,523.17 : x - Step 2: Convert to fraction form
671,254,412,538.20/926,503,442,290.40 = 437,192,960,523.17/x - Step 3: Cross multiply
671,254,412,538.20x = 926,503,442,290.40 × 437,192,960,523.17 - Step 4: Simplify right side
671,254,412,538.20x = 405,060,782,869,847,967,006,720 - Step 5: Solve for x
x = 405,060,782,869,847,967,006,720/671,254,412,538.20 - Step 6: Final answer
x = 603,438,540,296.82
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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.