Home / 351,469,553.76-485,027,976.48-194,836,263.84

Finding the Fourth Proportional to 351,469,553.76, 485,027,976.48 and 194,836,263.84

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Solution

The fourth proportional to 351,469,553.76, 485,027,976.48 and 194,836,263.84 is: 268,874,039.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,469,553.76 : 485,027,976.48 = 194,836,263.84 : x
  2. Step 2: Convert to fraction form
    351,469,553.76/485,027,976.48 = 194,836,263.84/x
  3. Step 3: Cross multiply
    351,469,553.76x = 485,027,976.48 × 194,836,263.84
  4. Step 4: Simplify right side
    351,469,553.76x = 94,501,038,795,238,592
  5. Step 5: Solve for x
    x = 94,501,038,795,238,592/351,469,553.76
  6. Step 6: Final answer
    x = 268,874,039.83

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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.