Home / 392,448,002.60-588,672,003.90-384,385,845.80

Finding the Fourth Proportional to 392,448,002.60, 588,672,003.90 and 384,385,845.80

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Solution

The fourth proportional to 392,448,002.60, 588,672,003.90 and 384,385,845.80 is: 576,578,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,448,002.60 : 588,672,003.90 = 384,385,845.80 : x
  2. Step 2: Convert to fraction form
    392,448,002.60/588,672,003.90 = 384,385,845.80/x
  3. Step 3: Cross multiply
    392,448,002.60x = 588,672,003.90 × 384,385,845.80
  4. Step 4: Simplify right side
    392,448,002.60x = 226,277,186,117,882,400
  5. Step 5: Solve for x
    x = 226,277,186,117,882,400/392,448,002.60
  6. Step 6: Final answer
    x = 576,578,768.70

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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.