Home / 381,382,610,615.34-571,875,275,906.92-179,870,239,579.10

Finding the Fourth Proportional to 381,382,610,615.34, 571,875,275,906.92 and 179,870,239,579.10

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Solution

The fourth proportional to 381,382,610,615.34, 571,875,275,906.92 and 179,870,239,579.10 is: 269,711,675,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,382,610,615.34 : 571,875,275,906.92 = 179,870,239,579.10 : x
  2. Step 2: Convert to fraction form
    381,382,610,615.34/571,875,275,906.92 = 179,870,239,579.10/x
  3. Step 3: Cross multiply
    381,382,610,615.34x = 571,875,275,906.92 × 179,870,239,579.10
  4. Step 4: Simplify right side
    381,382,610,615.34x = 102,863,342,886,741,631,565,824
  5. Step 5: Solve for x
    x = 102,863,342,886,741,631,565,824/381,382,610,615.34
  6. Step 6: Final answer
    x = 269,711,675,424.26

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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.