Home / 445,762,023.20-667,320,337.20-331,254,202.40

Finding the Fourth Proportional to 445,762,023.20, 667,320,337.20 and 331,254,202.40

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Solution

The fourth proportional to 445,762,023.20, 667,320,337.20 and 331,254,202.40 is: 495,898,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,762,023.20 : 667,320,337.20 = 331,254,202.40 : x
  2. Step 2: Convert to fraction form
    445,762,023.20/667,320,337.20 = 331,254,202.40/x
  3. Step 3: Cross multiply
    445,762,023.20x = 667,320,337.20 × 331,254,202.40
  4. Step 4: Simplify right side
    445,762,023.20x = 221,052,666,044,485,056
  5. Step 5: Solve for x
    x = 221,052,666,044,485,056/445,762,023.20
  6. Step 6: Final answer
    x = 495,898,381.96

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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.