Home / 379,101,837.92-523,150,500.84-211,839,473.58

Finding the Fourth Proportional to 379,101,837.92, 523,150,500.84 and 211,839,473.58

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Solution

The fourth proportional to 379,101,837.92, 523,150,500.84 and 211,839,473.58 is: 292,332,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,101,837.92 : 523,150,500.84 = 211,839,473.58 : x
  2. Step 2: Convert to fraction form
    379,101,837.92/523,150,500.84 = 211,839,473.58/x
  3. Step 3: Cross multiply
    379,101,837.92x = 523,150,500.84 × 211,839,473.58
  4. Step 4: Simplify right side
    379,101,837.92x = 110,823,926,701,058,944
  5. Step 5: Solve for x
    x = 110,823,926,701,058,944/379,101,837.92
  6. Step 6: Final answer
    x = 292,332,865.78

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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.