Home / 515,584,396,828.20-711,474,408,978.90-284,084,961,153.26

Finding the Fourth Proportional to 515,584,396,828.20, 711,474,408,978.90 and 284,084,961,153.26

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Solution

The fourth proportional to 515,584,396,828.20, 711,474,408,978.90 and 284,084,961,153.26 is: 392,019,582,205.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,584,396,828.20 : 711,474,408,978.90 = 284,084,961,153.26 : x
  2. Step 2: Convert to fraction form
    515,584,396,828.20/711,474,408,978.90 = 284,084,961,153.26/x
  3. Step 3: Cross multiply
    515,584,396,828.20x = 711,474,408,978.90 × 284,084,961,153.26
  4. Step 4: Simplify right side
    515,584,396,828.20x = 202,119,179,836,309,446,328,320
  5. Step 5: Solve for x
    x = 202,119,179,836,309,446,328,320/515,584,396,828.20
  6. Step 6: Final answer
    x = 392,019,582,205.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.