Finding the Fourth Proportional to 939,439,092,781.55, 1,408,581,935,674.20 and 365,084,578,464.74
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Solution
The fourth proportional to 939,439,092,781.55, 1,408,581,935,674.20 and 365,084,578,464.74 is: 547,402,749,332.09
Step by Step Solution
- Step 1: Write the proportion equation
939,439,092,781.55 : 1,408,581,935,674.20 = 365,084,578,464.74 : x - Step 2: Convert to fraction form
939,439,092,781.55/1,408,581,935,674.20 = 365,084,578,464.74/x - Step 3: Cross multiply
939,439,092,781.55x = 1,408,581,935,674.20 × 365,084,578,464.74 - Step 4: Simplify right side
939,439,092,781.55x = 514,251,542,218,662,815,465,472 - Step 5: Solve for x
x = 514,251,542,218,662,815,465,472/939,439,092,781.55 - Step 6: Final answer
x = 547,402,749,332.09
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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.