Home / 725,309,707.34-1,000,930,785.73-412,061,110.11

Finding the Fourth Proportional to 725,309,707.34, 1,000,930,785.73 and 412,061,110.11

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Solution

The fourth proportional to 725,309,707.34, 1,000,930,785.73 and 412,061,110.11 is: 568,646,257.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,309,707.34 : 1,000,930,785.73 = 412,061,110.11 : x
  2. Step 2: Convert to fraction form
    725,309,707.34/1,000,930,785.73 = 412,061,110.11/x
  3. Step 3: Cross multiply
    725,309,707.34x = 1,000,930,785.73 × 412,061,110.11
  4. Step 4: Simplify right side
    725,309,707.34x = 412,444,650,713,290,176
  5. Step 5: Solve for x
    x = 412,444,650,713,290,176/725,309,707.34
  6. Step 6: Final answer
    x = 568,646,257.64

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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.