Finding the Fourth Proportional to 426,785,433.74, 588,964,496.19 and 231,215,145.74
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Solution
The fourth proportional to 426,785,433.74, 588,964,496.19 and 231,215,145.74 is: 319,077,224.89
Step by Step Solution
- Step 1: Write the proportion equation
426,785,433.74 : 588,964,496.19 = 231,215,145.74 : x - Step 2: Convert to fraction form
426,785,433.74/588,964,496.19 = 231,215,145.74/x - Step 3: Cross multiply
426,785,433.74x = 588,964,496.19 × 231,215,145.74 - Step 4: Simplify right side
426,785,433.74x = 136,177,511,822,256,544 - Step 5: Solve for x
x = 136,177,511,822,256,544/426,785,433.74 - Step 6: Final answer
x = 319,077,224.89
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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.