Finding the Fourth Proportional to 2,887,182,961.92, 4,331,707,120.80 and 1,335,492,159.12
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Solution
The fourth proportional to 2,887,182,961.92, 4,331,707,120.80 and 1,335,492,159.12 is: 2,003,669,657.15
Step by Step Solution
- Step 1: Write the proportion equation
2,887,182,961.92 : 4,331,707,120.80 = 1,335,492,159.12 : x - Step 2: Convert to fraction form
2,887,182,961.92/4,331,707,120.80 = 1,335,492,159.12/x - Step 3: Cross multiply
2,887,182,961.92x = 4,331,707,120.80 × 1,335,492,159.12 - Step 4: Simplify right side
2,887,182,961.92x = 5,784,960,895,432,670,208 - Step 5: Solve for x
x = 5,784,960,895,432,670,208/2,887,182,961.92 - Step 6: Final answer
x = 2,003,669,657.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.