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Finding the Fourth Proportional to 1,359,891,755.86, 2,040,253,932.84 and 696,375,569.80

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Solution

The fourth proportional to 1,359,891,755.86, 2,040,253,932.84 and 696,375,569.80 is: 1,044,776,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,891,755.86 : 2,040,253,932.84 = 696,375,569.80 : x
  2. Step 2: Convert to fraction form
    1,359,891,755.86/2,040,253,932.84 = 696,375,569.80/x
  3. Step 3: Cross multiply
    1,359,891,755.86x = 2,040,253,932.84 × 696,375,569.80
  4. Step 4: Simplify right side
    1,359,891,755.86x = 1,420,782,995,018,145,792
  5. Step 5: Solve for x
    x = 1,420,782,995,018,145,792/1,359,891,755.86
  6. Step 6: Final answer
    x = 1,044,776,533.79

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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.