Finding the Fourth Proportional to 426,785,410.24, 588,964,463.76 and 231,215,122.24
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Solution
The fourth proportional to 426,785,410.24, 588,964,463.76 and 231,215,122.24 is: 319,077,192.46
Step by Step Solution
- Step 1: Write the proportion equation
426,785,410.24 : 588,964,463.76 = 231,215,122.24 : x - Step 2: Convert to fraction form
426,785,410.24/588,964,463.76 = 231,215,122.24/x - Step 3: Cross multiply
426,785,410.24x = 588,964,463.76 × 231,215,122.24 - Step 4: Simplify right side
426,785,410.24x = 136,177,490,483,284,448 - Step 5: Solve for x
x = 136,177,490,483,284,448/426,785,410.24 - Step 6: Final answer
x = 319,077,192.46
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1.5x scale
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.