Home / 417,002,499.63-575,472,238.95-228,829,147.60

Finding the Fourth Proportional to 417,002,499.63, 575,472,238.95 and 228,829,147.60

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Solution

The fourth proportional to 417,002,499.63, 575,472,238.95 and 228,829,147.60 is: 315,789,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,002,499.63 : 575,472,238.95 = 228,829,147.60 : x
  2. Step 2: Convert to fraction form
    417,002,499.63/575,472,238.95 = 228,829,147.60/x
  3. Step 3: Cross multiply
    417,002,499.63x = 575,472,238.95 × 228,829,147.60
  4. Step 4: Simplify right side
    417,002,499.63x = 131,684,821,906,392,032
  5. Step 5: Solve for x
    x = 131,684,821,906,392,032/417,002,499.63
  6. Step 6: Final answer
    x = 315,789,046.88

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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.