Home / 654,082,003.70-981,123,005.55-508,963,181.30

Finding the Fourth Proportional to 654,082,003.70, 981,123,005.55 and 508,963,181.30

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Solution

The fourth proportional to 654,082,003.70, 981,123,005.55 and 508,963,181.30 is: 763,444,771.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,082,003.70 : 981,123,005.55 = 508,963,181.30 : x
  2. Step 2: Convert to fraction form
    654,082,003.70/981,123,005.55 = 508,963,181.30/x
  3. Step 3: Cross multiply
    654,082,003.70x = 981,123,005.55 × 508,963,181.30
  4. Step 4: Simplify right side
    654,082,003.70x = 499,355,486,151,345,536
  5. Step 5: Solve for x
    x = 499,355,486,151,345,536/654,082,003.70
  6. Step 6: Final answer
    x = 763,444,771.95

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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.