Home / 419,914,588.20-629,871,882.30-132,700,252.20

Finding the Fourth Proportional to 419,914,588.20, 629,871,882.30 and 132,700,252.20

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Solution

The fourth proportional to 419,914,588.20, 629,871,882.30 and 132,700,252.20 is: 199,050,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,914,588.20 : 629,871,882.30 = 132,700,252.20 : x
  2. Step 2: Convert to fraction form
    419,914,588.20/629,871,882.30 = 132,700,252.20/x
  3. Step 3: Cross multiply
    419,914,588.20x = 629,871,882.30 × 132,700,252.20
  4. Step 4: Simplify right side
    419,914,588.20x = 83,584,157,634,898,704
  5. Step 5: Solve for x
    x = 83,584,157,634,898,704/419,914,588.20
  6. Step 6: Final answer
    x = 199,050,378.30

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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.