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Finding the Fourth Proportional to 663,237,226.80, 994,855,840.20 and 598,667,145.30

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Solution

The fourth proportional to 663,237,226.80, 994,855,840.20 and 598,667,145.30 is: 898,000,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,237,226.80 : 994,855,840.20 = 598,667,145.30 : x
  2. Step 2: Convert to fraction form
    663,237,226.80/994,855,840.20 = 598,667,145.30/x
  3. Step 3: Cross multiply
    663,237,226.80x = 994,855,840.20 × 598,667,145.30
  4. Step 4: Simplify right side
    663,237,226.80x = 595,587,505,837,566,976
  5. Step 5: Solve for x
    x = 595,587,505,837,566,976/663,237,226.80
  6. Step 6: Final answer
    x = 898,000,717.95

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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.