Home / 339,533,178.30-509,299,767.45-240,897,728.70

Finding the Fourth Proportional to 339,533,178.30, 509,299,767.45 and 240,897,728.70

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Solution

The fourth proportional to 339,533,178.30, 509,299,767.45 and 240,897,728.70 is: 361,346,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,533,178.30 : 509,299,767.45 = 240,897,728.70 : x
  2. Step 2: Convert to fraction form
    339,533,178.30/509,299,767.45 = 240,897,728.70/x
  3. Step 3: Cross multiply
    339,533,178.30x = 509,299,767.45 × 240,897,728.70
  4. Step 4: Simplify right side
    339,533,178.30x = 122,689,157,206,143,184
  5. Step 5: Solve for x
    x = 122,689,157,206,143,184/339,533,178.30
  6. Step 6: Final answer
    x = 361,346,593.05

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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.