Home / 409,891,469.82-565,896,250.14-253,468,306.86

Finding the Fourth Proportional to 409,891,469.82, 565,896,250.14 and 253,468,306.86

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Solution

The fourth proportional to 409,891,469.82, 565,896,250.14 and 253,468,306.86 is: 349,938,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,891,469.82 : 565,896,250.14 = 253,468,306.86 : x
  2. Step 2: Convert to fraction form
    409,891,469.82/565,896,250.14 = 253,468,306.86/x
  3. Step 3: Cross multiply
    409,891,469.82x = 565,896,250.14 × 253,468,306.86
  4. Step 4: Simplify right side
    409,891,469.82x = 143,436,764,381,408,848
  5. Step 5: Solve for x
    x = 143,436,764,381,408,848/409,891,469.82
  6. Step 6: Final answer
    x = 349,938,398.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.