Home / 654,082,002.20-981,123,003.30-508,963,179.80

Finding the Fourth Proportional to 654,082,002.20, 981,123,003.30 and 508,963,179.80

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Solution

The fourth proportional to 654,082,002.20, 981,123,003.30 and 508,963,179.80 is: 763,444,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,082,002.20 : 981,123,003.30 = 508,963,179.80 : x
  2. Step 2: Convert to fraction form
    654,082,002.20/981,123,003.30 = 508,963,179.80/x
  3. Step 3: Cross multiply
    654,082,002.20x = 981,123,003.30 × 508,963,179.80
  4. Step 4: Simplify right side
    654,082,002.20x = 499,355,483,534,493,888
  5. Step 5: Solve for x
    x = 499,355,483,534,493,888/654,082,002.20
  6. Step 6: Final answer
    x = 763,444,769.70

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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.