Home / 356,616,016.20-534,924,024.30-231,780,525.30

Finding the Fourth Proportional to 356,616,016.20, 534,924,024.30 and 231,780,525.30

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Solution

The fourth proportional to 356,616,016.20, 534,924,024.30 and 231,780,525.30 is: 347,670,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,616,016.20 : 534,924,024.30 = 231,780,525.30 : x
  2. Step 2: Convert to fraction form
    356,616,016.20/534,924,024.30 = 231,780,525.30/x
  3. Step 3: Cross multiply
    356,616,016.20x = 534,924,024.30 × 231,780,525.30
  4. Step 4: Simplify right side
    356,616,016.20x = 123,984,971,347,843,968
  5. Step 5: Solve for x
    x = 123,984,971,347,843,968/356,616,016.20
  6. Step 6: Final answer
    x = 347,670,787.95

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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.