Home / 392,425,233.60-588,637,850.40-384,363,076.80

Finding the Fourth Proportional to 392,425,233.60, 588,637,850.40 and 384,363,076.80

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Solution

The fourth proportional to 392,425,233.60, 588,637,850.40 and 384,363,076.80 is: 576,544,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,425,233.60 : 588,637,850.40 = 384,363,076.80 : x
  2. Step 2: Convert to fraction form
    392,425,233.60/588,637,850.40 = 384,363,076.80/x
  3. Step 3: Cross multiply
    392,425,233.60x = 588,637,850.40 × 384,363,076.80
  4. Step 4: Simplify right side
    392,425,233.60x = 226,250,655,300,682,112
  5. Step 5: Solve for x
    x = 226,250,655,300,682,112/392,425,233.60
  6. Step 6: Final answer
    x = 576,544,615.20

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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.