Finding the Fourth Proportional to 292,034,963.60, 438,052,445.40 and 177,149,229.20
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Solution
The fourth proportional to 292,034,963.60, 438,052,445.40 and 177,149,229.20 is: 265,723,843.80
Step by Step Solution
- Step 1: Write the proportion equation
292,034,963.60 : 438,052,445.40 = 177,149,229.20 : x - Step 2: Convert to fraction form
292,034,963.60/438,052,445.40 = 177,149,229.20/x - Step 3: Cross multiply
292,034,963.60x = 438,052,445.40 × 177,149,229.20 - Step 4: Simplify right side
292,034,963.60x = 77,600,653,051,785,072 - Step 5: Solve for x
x = 77,600,653,051,785,072/292,034,963.60 - Step 6: Final answer
x = 265,723,843.80
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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.