Finding the Fourth Proportional to 2,149,649,320.77, 3,222,974,815.87 and 952,473,892.10
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Solution
The fourth proportional to 2,149,649,320.77, 3,222,974,815.87 and 952,473,892.10 is: 1,428,046,582.92
Step by Step Solution
- Step 1: Write the proportion equation
2,149,649,320.77 : 3,222,974,815.87 = 952,473,892.10 : x - Step 2: Convert to fraction form
2,149,649,320.77/3,222,974,815.87 = 952,473,892.10/x - Step 3: Cross multiply
2,149,649,320.77x = 3,222,974,815.87 × 952,473,892.10 - Step 4: Simplify right side
2,149,649,320.77x = 3,069,799,367,011,979,776 - Step 5: Solve for x
x = 3,069,799,367,011,979,776/2,149,649,320.77 - Step 6: Final answer
x = 1,428,046,582.92
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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.