Finding the Fourth Proportional to 426,785,542.08, 588,964,647.60 and 231,215,254.08
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Solution
The fourth proportional to 426,785,542.08, 588,964,647.60 and 231,215,254.08 is: 319,077,375.43
Step by Step Solution
- Step 1: Write the proportion equation
426,785,542.08 : 588,964,647.60 = 231,215,254.08 : x - Step 2: Convert to fraction form
426,785,542.08/588,964,647.60 = 231,215,254.08/x - Step 3: Cross multiply
426,785,542.08x = 588,964,647.60 × 231,215,254.08 - Step 4: Simplify right side
426,785,542.08x = 136,177,610,638,971,680 - Step 5: Solve for x
x = 136,177,610,638,971,680/426,785,542.08 - Step 6: Final answer
x = 319,077,375.43
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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.