Home / 629,856,002.40-944,784,003.60-384,967,989.60

Finding the Fourth Proportional to 629,856,002.40, 944,784,003.60 and 384,967,989.60

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Solution

The fourth proportional to 629,856,002.40, 944,784,003.60 and 384,967,989.60 is: 577,451,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,002.40 : 944,784,003.60 = 384,967,989.60 : x
  2. Step 2: Convert to fraction form
    629,856,002.40/944,784,003.60 = 384,967,989.60/x
  3. Step 3: Cross multiply
    629,856,002.40x = 944,784,003.60 × 384,967,989.60
  4. Step 4: Simplify right side
    629,856,002.40x = 363,711,598,472,131,200
  5. Step 5: Solve for x
    x = 363,711,598,472,131,200/629,856,002.40
  6. Step 6: Final answer
    x = 577,451,984.40

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1.5x scale

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.