Finding the Fourth Proportional to 1,149,060,557.90, 1,723,832,937.75 and 372,645,678.02
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Solution
The fourth proportional to 1,149,060,557.90, 1,723,832,937.75 and 372,645,678.02 is: 559,047,031.47
Step by Step Solution
- Step 1: Write the proportion equation
1,149,060,557.90 : 1,723,832,937.75 = 372,645,678.02 : x - Step 2: Convert to fraction form
1,149,060,557.90/1,723,832,937.75 = 372,645,678.02/x - Step 3: Cross multiply
1,149,060,557.90x = 1,723,832,937.75 × 372,645,678.02 - Step 4: Simplify right side
1,149,060,557.90x = 642,378,893,872,438,016 - Step 5: Solve for x
x = 642,378,893,872,438,016/1,149,060,557.90 - Step 6: Final answer
x = 559,047,031.47
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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.