Finding the Fourth Proportional to 392,561,141.76, 541,826,691.84 and 243,994,464
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Solution
The fourth proportional to 392,561,141.76, 541,826,691.84 and 243,994,464 is: 336,769,739.01
Step by Step Solution
- Step 1: Write the proportion equation
392,561,141.76 : 541,826,691.84 = 243,994,464 : x - Step 2: Convert to fraction form
392,561,141.76/541,826,691.84 = 243,994,464/x - Step 3: Cross multiply
392,561,141.76x = 541,826,691.84 × 243,994,464 - Step 4: Simplify right side
392,561,141.76x = 132,202,713,256,393,984 - Step 5: Solve for x
x = 132,202,713,256,393,984/392,561,141.76 - Step 6: Final answer
x = 336,769,739.01
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.