Finding the Fourth Proportional to 4,086,481,961.97, 5,639,344,891.67 and 2,206,887,064.70
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Solution
The fourth proportional to 4,086,481,961.97, 5,639,344,891.67 and 2,206,887,064.70 is: 3,045,504,032.71
Step by Step Solution
- Step 1: Write the proportion equation
4,086,481,961.97 : 5,639,344,891.67 = 2,206,887,064.70 : x - Step 2: Convert to fraction form
4,086,481,961.97/5,639,344,891.67 = 2,206,887,064.70/x - Step 3: Cross multiply
4,086,481,961.97x = 5,639,344,891.67 × 2,206,887,064.70 - Step 4: Simplify right side
4,086,481,961.97x = 12,445,397,294,769,315,840 - Step 5: Solve for x
x = 12,445,397,294,769,315,840/4,086,481,961.97 - Step 6: Final answer
x = 3,045,504,032.71
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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.