Home / 379,753,560.16-568,893,286.36-279,861,786.36

Finding the Fourth Proportional to 379,753,560.16, 568,893,286.36 and 279,861,786.36

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Solution

The fourth proportional to 379,753,560.16, 568,893,286.36 and 279,861,786.36 is: 419,249,503.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,753,560.16 : 568,893,286.36 = 279,861,786.36 : x
  2. Step 2: Convert to fraction form
    379,753,560.16/568,893,286.36 = 279,861,786.36/x
  3. Step 3: Cross multiply
    379,753,560.16x = 568,893,286.36 × 279,861,786.36
  4. Step 4: Simplify right side
    379,753,560.16x = 159,211,491,366,104,640
  5. Step 5: Solve for x
    x = 159,211,491,366,104,640/379,753,560.16
  6. Step 6: Final answer
    x = 419,249,503.02

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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.