Finding the Fourth Proportional to 674,169,862.14, 930,316,881.85 and 372,737,746.74
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Solution
The fourth proportional to 674,169,862.14, 930,316,881.85 and 372,737,746.74 is: 514,357,341.93
Step by Step Solution
- Step 1: Write the proportion equation
674,169,862.14 : 930,316,881.85 = 372,737,746.74 : x - Step 2: Convert to fraction form
674,169,862.14/930,316,881.85 = 372,737,746.74/x - Step 3: Cross multiply
674,169,862.14x = 930,316,881.85 × 372,737,746.74 - Step 4: Simplify right side
674,169,862.14x = 346,764,218,298,327,872 - Step 5: Solve for x
x = 346,764,218,298,327,872/674,169,862.14 - Step 6: Final answer
x = 514,357,341.93
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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.