Home / 411,519,857.21-617,141,410.28-149,149,486.03

Finding the Fourth Proportional to 411,519,857.21, 617,141,410.28 and 149,149,486.03

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Solution

The fourth proportional to 411,519,857.21, 617,141,410.28 and 149,149,486.03 is: 223,674,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,519,857.21 : 617,141,410.28 = 149,149,486.03 : x
  2. Step 2: Convert to fraction form
    411,519,857.21/617,141,410.28 = 149,149,486.03/x
  3. Step 3: Cross multiply
    411,519,857.21x = 617,141,410.28 × 149,149,486.03
  4. Step 4: Simplify right side
    411,519,857.21x = 92,046,324,150,933,760
  5. Step 5: Solve for x
    x = 92,046,324,150,933,760/411,519,857.21
  6. Step 6: Final answer
    x = 223,674,076.81

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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.