Home / 252,356,278-378,667,782.83-179,053,786.74

Finding the Fourth Proportional to 252,356,278, 378,667,782.83 and 179,053,786.74

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Solution

The fourth proportional to 252,356,278, 378,667,782.83 and 179,053,786.74 is: 268,675,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,356,278 : 378,667,782.83 = 179,053,786.74 : x
  2. Step 2: Convert to fraction form
    252,356,278/378,667,782.83 = 179,053,786.74/x
  3. Step 3: Cross multiply
    252,356,278x = 378,667,782.83 × 179,053,786.74
  4. Step 4: Simplify right side
    252,356,278x = 67,801,900,432,151,456
  5. Step 5: Solve for x
    x = 67,801,900,432,151,456/252,356,278
  6. Step 6: Final answer
    x = 268,675,306.87

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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.