Finding the Fourth Proportional to 4,086,481,950.59, 5,639,344,875.95 and 2,206,887,053.31
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Solution
The fourth proportional to 4,086,481,950.59, 5,639,344,875.95 and 2,206,887,053.31 is: 3,045,504,016.99
Step by Step Solution
- Step 1: Write the proportion equation
4,086,481,950.59 : 5,639,344,875.95 = 2,206,887,053.31 : x - Step 2: Convert to fraction form
4,086,481,950.59/5,639,344,875.95 = 2,206,887,053.31/x - Step 3: Cross multiply
4,086,481,950.59x = 5,639,344,875.95 × 2,206,887,053.31 - Step 4: Simplify right side
4,086,481,950.59x = 12,445,397,195,873,107,968 - Step 5: Solve for x
x = 12,445,397,195,873,107,968/4,086,481,950.59 - Step 6: Final answer
x = 3,045,504,016.99
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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.