Finding the Fourth Proportional to 4,428,313,691.40, 6,111,083,896.20 and 2,421,278,350.92
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Solution
The fourth proportional to 4,428,313,691.40, 6,111,083,896.20 and 2,421,278,350.92 is: 3,341,370,139.89
Step by Step Solution
- Step 1: Write the proportion equation
4,428,313,691.40 : 6,111,083,896.20 = 2,421,278,350.92 : x - Step 2: Convert to fraction form
4,428,313,691.40/6,111,083,896.20 = 2,421,278,350.92/x - Step 3: Cross multiply
4,428,313,691.40x = 6,111,083,896.20 × 2,421,278,350.92 - Step 4: Simplify right side
4,428,313,691.40x = 14,796,635,138,524,905,472 - Step 5: Solve for x
x = 14,796,635,138,524,905,472/4,428,313,691.40 - Step 6: Final answer
x = 3,341,370,139.89
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1.5x scale
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.