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Finding the Fourth Proportional to 1,052,932,750.43, 1,454,560,717.82 and 840,961,279.70

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Solution

The fourth proportional to 1,052,932,750.43, 1,454,560,717.82 and 840,961,279.70 is: 1,161,735,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,932,750.43 : 1,454,560,717.82 = 840,961,279.70 : x
  2. Step 2: Convert to fraction form
    1,052,932,750.43/1,454,560,717.82 = 840,961,279.70/x
  3. Step 3: Cross multiply
    1,052,932,750.43x = 1,454,560,717.82 × 840,961,279.70
  4. Step 4: Simplify right side
    1,052,932,750.43x = 1,223,229,242,647,780,352
  5. Step 5: Solve for x
    x = 1,223,229,242,647,780,352/1,052,932,750.43
  6. Step 6: Final answer
    x = 1,161,735,393.03

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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.