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Finding the Fourth Proportional to 264,620,781.48, 365,176,978.68 and 147,143,589.36

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Solution

The fourth proportional to 264,620,781.48, 365,176,978.68 and 147,143,589.36 is: 203,058,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,620,781.48 : 365,176,978.68 = 147,143,589.36 : x
  2. Step 2: Convert to fraction form
    264,620,781.48/365,176,978.68 = 147,143,589.36/x
  3. Step 3: Cross multiply
    264,620,781.48x = 365,176,978.68 × 147,143,589.36
  4. Step 4: Simplify right side
    264,620,781.48x = 53,733,451,394,615,400
  5. Step 5: Solve for x
    x = 53,733,451,394,615,400/264,620,781.48
  6. Step 6: Final answer
    x = 203,058,320.27

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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.