Home / 417,331,931.04-628,997,616.24-359,734,792.86

Finding the Fourth Proportional to 417,331,931.04, 628,997,616.24 and 359,734,792.86

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Solution

The fourth proportional to 417,331,931.04, 628,997,616.24 and 359,734,792.86 is: 542,187,909.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,331,931.04 : 628,997,616.24 = 359,734,792.86 : x
  2. Step 2: Convert to fraction form
    417,331,931.04/628,997,616.24 = 359,734,792.86/x
  3. Step 3: Cross multiply
    417,331,931.04x = 628,997,616.24 × 359,734,792.86
  4. Step 4: Simplify right side
    417,331,931.04x = 226,272,327,187,530,176
  5. Step 5: Solve for x
    x = 226,272,327,187,530,176/417,331,931.04
  6. Step 6: Final answer
    x = 542,187,909.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.