Finding the Fourth Proportional to 2,344,986,689.30, 3,517,593,162.36 and 771,059,149.31
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Solution
The fourth proportional to 2,344,986,689.30, 3,517,593,162.36 and 771,059,149.31 is: 1,156,625,921.91
Step by Step Solution
- Step 1: Write the proportion equation
2,344,986,689.30 : 3,517,593,162.36 = 771,059,149.31 : x - Step 2: Convert to fraction form
2,344,986,689.30/3,517,593,162.36 = 771,059,149.31/x - Step 3: Cross multiply
2,344,986,689.30x = 3,517,593,162.36 × 771,059,149.31 - Step 4: Simplify right side
2,344,986,689.30x = 2,712,272,391,378,428,928 - Step 5: Solve for x
x = 2,712,272,391,378,428,928/2,344,986,689.30 - Step 6: Final answer
x = 1,156,625,921.91
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1.5x scale
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.