Finding the Fourth Proportional to 671,254,412,538.12, 926,503,442,290.24 and 437,192,960,523.05
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Solution
The fourth proportional to 671,254,412,538.12, 926,503,442,290.24 and 437,192,960,523.05 is: 603,438,540,296.62
Step by Step Solution
- Step 1: Write the proportion equation
671,254,412,538.12 : 926,503,442,290.24 = 437,192,960,523.05 : x - Step 2: Convert to fraction form
671,254,412,538.12/926,503,442,290.24 = 437,192,960,523.05/x - Step 3: Cross multiply
671,254,412,538.12x = 926,503,442,290.24 × 437,192,960,523.05 - Step 4: Simplify right side
671,254,412,538.12x = 405,060,782,869,666,840,182,784 - Step 5: Solve for x
x = 405,060,782,869,666,840,182,784/671,254,412,538.12 - Step 6: Final answer
x = 603,438,540,296.62
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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.