Home / 417,331,934.04-628,997,620.77-359,734,795.86

Finding the Fourth Proportional to 417,331,934.04, 628,997,620.77 and 359,734,795.86

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Solution

The fourth proportional to 417,331,934.04, 628,997,620.77 and 359,734,795.86 is: 542,187,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,331,934.04 : 628,997,620.77 = 359,734,795.86 : x
  2. Step 2: Convert to fraction form
    417,331,934.04/628,997,620.77 = 359,734,795.86/x
  3. Step 3: Cross multiply
    417,331,934.04x = 628,997,620.77 × 359,734,795.86
  4. Step 4: Simplify right side
    417,331,934.04x = 226,272,330,704,121,664
  5. Step 5: Solve for x
    x = 226,272,330,704,121,664/417,331,934.04
  6. Step 6: Final answer
    x = 542,187,913.86

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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.