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Finding the Fourth Proportional to 498,204,065.80, 747,306,098.70 and 265,751,772.40

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Solution

The fourth proportional to 498,204,065.80, 747,306,098.70 and 265,751,772.40 is: 398,627,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,204,065.80 : 747,306,098.70 = 265,751,772.40 : x
  2. Step 2: Convert to fraction form
    498,204,065.80/747,306,098.70 = 265,751,772.40/x
  3. Step 3: Cross multiply
    498,204,065.80x = 747,306,098.70 × 265,751,772.40
  4. Step 4: Simplify right side
    498,204,065.80x = 198,597,920,254,854,368
  5. Step 5: Solve for x
    x = 198,597,920,254,854,368/498,204,065.80
  6. Step 6: Final answer
    x = 398,627,658.60

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