Finding the Fourth Proportional to 472,287,436.38, 651,725,169.39 and 271,350,775.26
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Solution
The fourth proportional to 472,287,436.38, 651,725,169.39 and 271,350,775.26 is: 374,445,975.79
Step by Step Solution
- Step 1: Write the proportion equation
472,287,436.38 : 651,725,169.39 = 271,350,775.26 : x - Step 2: Convert to fraction form
472,287,436.38/651,725,169.39 = 271,350,775.26/x - Step 3: Cross multiply
472,287,436.38x = 651,725,169.39 × 271,350,775.26 - Step 4: Simplify right side
472,287,436.38x = 176,846,129,970,431,296 - Step 5: Solve for x
x = 176,846,129,970,431,296/472,287,436.38 - Step 6: Final answer
x = 374,445,975.79
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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.