Finding the Fourth Proportional to 2,344,986,719.16, 3,517,593,207.20 and 771,059,179.24
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Solution
The fourth proportional to 2,344,986,719.16, 3,517,593,207.20 and 771,059,179.24 is: 1,156,625,966.83
Step by Step Solution
- Step 1: Write the proportion equation
2,344,986,719.16 : 3,517,593,207.20 = 771,059,179.24 : x - Step 2: Convert to fraction form
2,344,986,719.16/3,517,593,207.20 = 771,059,179.24/x - Step 3: Cross multiply
2,344,986,719.16x = 3,517,593,207.20 × 771,059,179.24 - Step 4: Simplify right side
2,344,986,719.16x = 2,712,272,531,243,831,296 - Step 5: Solve for x
x = 2,712,272,531,243,831,296/2,344,986,719.16 - Step 6: Final answer
x = 1,156,625,966.83
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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.