Finding the Fourth Proportional to 1,726,366,557.70, 2,589,549,836.55 and 635,707,908.10
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Solution
The fourth proportional to 1,726,366,557.70, 2,589,549,836.55 and 635,707,908.10 is: 953,561,862.15
Step by Step Solution
- Step 1: Write the proportion equation
1,726,366,557.70 : 2,589,549,836.55 = 635,707,908.10 : x - Step 2: Convert to fraction form
1,726,366,557.70/2,589,549,836.55 = 635,707,908.10/x - Step 3: Cross multiply
1,726,366,557.70x = 2,589,549,836.55 × 635,707,908.10 - Step 4: Simplify right side
1,726,366,557.70x = 1,646,197,309,513,897,728 - Step 5: Solve for x
x = 1,646,197,309,513,897,728/1,726,366,557.70 - Step 6: Final answer
x = 953,561,862.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.