Home / 381,382,610,556.12-571,875,275,818.44-179,870,239,519.86

Finding the Fourth Proportional to 381,382,610,556.12, 571,875,275,818.44 and 179,870,239,519.86

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Solution

The fourth proportional to 381,382,610,556.12, 571,875,275,818.44 and 179,870,239,519.86 is: 269,711,675,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,382,610,556.12 : 571,875,275,818.44 = 179,870,239,519.86 : x
  2. Step 2: Convert to fraction form
    381,382,610,556.12/571,875,275,818.44 = 179,870,239,519.86/x
  3. Step 3: Cross multiply
    381,382,610,556.12x = 571,875,275,818.44 × 179,870,239,519.86
  4. Step 4: Simplify right side
    381,382,610,556.12x = 102,863,342,836,948,783,857,664
  5. Step 5: Solve for x
    x = 102,863,342,836,948,783,857,664/381,382,610,556.12
  6. Step 6: Final answer
    x = 269,711,675,335.58

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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.