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Finding the Fourth Proportional to 1,065,403,807.20, 1,595,838,229.20 and 884,005,279.20

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Solution

The fourth proportional to 1,065,403,807.20, 1,595,838,229.20 and 884,005,279.20 is: 1,324,126,504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,403,807.20 : 1,595,838,229.20 = 884,005,279.20 : x
  2. Step 2: Convert to fraction form
    1,065,403,807.20/1,595,838,229.20 = 884,005,279.20/x
  3. Step 3: Cross multiply
    1,065,403,807.20x = 1,595,838,229.20 × 884,005,279.20
  4. Step 4: Simplify right side
    1,065,403,807.20x = 1,410,729,419,361,979,648
  5. Step 5: Solve for x
    x = 1,410,729,419,361,979,648/1,065,403,807.20
  6. Step 6: Final answer
    x = 1,324,126,504.74

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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.