Finding the Fourth Proportional to 3,729,988,052.92, 5,147,356,862.48 and 2,036,442,642.28
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Solution
The fourth proportional to 3,729,988,052.92, 5,147,356,862.48 and 2,036,442,642.28 is: 2,810,276,296.08
Step by Step Solution
- Step 1: Write the proportion equation
3,729,988,052.92 : 5,147,356,862.48 = 2,036,442,642.28 : x - Step 2: Convert to fraction form
3,729,988,052.92/5,147,356,862.48 = 2,036,442,642.28/x - Step 3: Cross multiply
3,729,988,052.92x = 5,147,356,862.48 × 2,036,442,642.28 - Step 4: Simplify right side
3,729,988,052.92x = 10,482,297,009,786,861,568 - Step 5: Solve for x
x = 10,482,297,009,786,861,568/3,729,988,052.92 - Step 6: Final answer
x = 2,810,276,296.08
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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.