Finding the Fourth Proportional to 1,253,206,557.72, 1,729,471,723.02 and 751,497,024.42
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Solution
The fourth proportional to 1,253,206,557.72, 1,729,471,723.02 and 751,497,024.42 is: 1,037,093,881.82
Step by Step Solution
- Step 1: Write the proportion equation
1,253,206,557.72 : 1,729,471,723.02 = 751,497,024.42 : x - Step 2: Convert to fraction form
1,253,206,557.72/1,729,471,723.02 = 751,497,024.42/x - Step 3: Cross multiply
1,253,206,557.72x = 1,729,471,723.02 × 751,497,024.42 - Step 4: Simplify right side
1,253,206,557.72x = 1,299,692,853,668,060,416 - Step 5: Solve for x
x = 1,299,692,853,668,060,416/1,253,206,557.72 - Step 6: Final answer
x = 1,037,093,881.82
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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.