Home / 379,101,836.04-523,150,498.25-211,839,471.70

Finding the Fourth Proportional to 379,101,836.04, 523,150,498.25 and 211,839,471.70

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Solution

The fourth proportional to 379,101,836.04, 523,150,498.25 and 211,839,471.70 is: 292,332,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,101,836.04 : 523,150,498.25 = 211,839,471.70 : x
  2. Step 2: Convert to fraction form
    379,101,836.04/523,150,498.25 = 211,839,471.70/x
  3. Step 3: Cross multiply
    379,101,836.04x = 523,150,498.25 × 211,839,471.70
  4. Step 4: Simplify right side
    379,101,836.04x = 110,823,925,169,170,800
  5. Step 5: Solve for x
    x = 110,823,925,169,170,800/379,101,836.04
  6. Step 6: Final answer
    x = 292,332,863.19

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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.