Finding the Fourth Proportional to 2,344,083,785.97, 3,234,838,729.63 and 1,272,386,420.14
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Solution
The fourth proportional to 2,344,083,785.97, 3,234,838,729.63 and 1,272,386,420.14 is: 1,755,894,945.21
Step by Step Solution
- Step 1: Write the proportion equation
2,344,083,785.97 : 3,234,838,729.63 = 1,272,386,420.14 : x - Step 2: Convert to fraction form
2,344,083,785.97/3,234,838,729.63 = 1,272,386,420.14/x - Step 3: Cross multiply
2,344,083,785.97x = 3,234,838,729.63 × 1,272,386,420.14 - Step 4: Simplify right side
2,344,083,785.97x = 4,115,964,870,924,141,568 - Step 5: Solve for x
x = 4,115,964,870,924,141,568/2,344,083,785.97 - Step 6: Final answer
x = 1,755,894,945.21
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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.