Home / 451,593,493.38-678,055,198.48-252,562,723.92

Finding the Fourth Proportional to 451,593,493.38, 678,055,198.48 and 252,562,723.92

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Solution

The fourth proportional to 451,593,493.38, 678,055,198.48 and 252,562,723.92 is: 379,215,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,593,493.38 : 678,055,198.48 = 252,562,723.92 : x
  2. Step 2: Convert to fraction form
    451,593,493.38/678,055,198.48 = 252,562,723.92/x
  3. Step 3: Cross multiply
    451,593,493.38x = 678,055,198.48 × 252,562,723.92
  4. Step 4: Simplify right side
    451,593,493.38x = 171,251,467,895,593,632
  5. Step 5: Solve for x
    x = 171,251,467,895,593,632/451,593,493.38
  6. Step 6: Final answer
    x = 379,215,977.21

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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.