Home / 437,588,593.21-656,384,001.54-178,803,813.79

Finding the Fourth Proportional to 437,588,593.21, 656,384,001.54 and 178,803,813.79

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Solution

The fourth proportional to 437,588,593.21, 656,384,001.54 and 178,803,813.79 is: 268,206,174.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,588,593.21 : 656,384,001.54 = 178,803,813.79 : x
  2. Step 2: Convert to fraction form
    437,588,593.21/656,384,001.54 = 178,803,813.79/x
  3. Step 3: Cross multiply
    437,588,593.21x = 656,384,001.54 × 178,803,813.79
  4. Step 4: Simplify right side
    437,588,593.21x = 117,363,962,786,093,216
  5. Step 5: Solve for x
    x = 117,363,962,786,093,216/437,588,593.21
  6. Step 6: Final answer
    x = 268,206,174.95

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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.