Finding the Fourth Proportional to 538,532,349.14, 807,798,494.55 and 129,588,543.38
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Solution
The fourth proportional to 538,532,349.14, 807,798,494.55 and 129,588,543.38 is: 194,382,808.05
Step by Step Solution
- Step 1: Write the proportion equation
538,532,349.14 : 807,798,494.55 = 129,588,543.38 : x - Step 2: Convert to fraction form
538,532,349.14/807,798,494.55 = 129,588,543.38/x - Step 3: Cross multiply
538,532,349.14x = 807,798,494.55 × 129,588,543.38 - Step 4: Simplify right side
538,532,349.14x = 104,681,430,253,291,360 - Step 5: Solve for x
x = 104,681,430,253,291,360/538,532,349.14 - Step 6: Final answer
x = 194,382,808.05
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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.