Home / 409,298,082.30-613,947,123.45-204,752,346.30

Finding the Fourth Proportional to 409,298,082.30, 613,947,123.45 and 204,752,346.30

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Solution

The fourth proportional to 409,298,082.30, 613,947,123.45 and 204,752,346.30 is: 307,128,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,298,082.30 : 613,947,123.45 = 204,752,346.30 : x
  2. Step 2: Convert to fraction form
    409,298,082.30/613,947,123.45 = 204,752,346.30/x
  3. Step 3: Cross multiply
    409,298,082.30x = 613,947,123.45 × 204,752,346.30
  4. Step 4: Simplify right side
    409,298,082.30x = 125,707,114,030,523,264
  5. Step 5: Solve for x
    x = 125,707,114,030,523,264/409,298,082.30
  6. Step 6: Final answer
    x = 307,128,519.45

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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.