Home / 705,396,979.67-1,058,508,067.36-263,045,259.42

Finding the Fourth Proportional to 705,396,979.67, 1,058,508,067.36 and 263,045,259.42

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Solution

The fourth proportional to 705,396,979.67, 1,058,508,067.36 and 263,045,259.42 is: 394,721,748.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,396,979.67 : 1,058,508,067.36 = 263,045,259.42 : x
  2. Step 2: Convert to fraction form
    705,396,979.67/1,058,508,067.36 = 263,045,259.42/x
  3. Step 3: Cross multiply
    705,396,979.67x = 1,058,508,067.36 × 263,045,259.42
  4. Step 4: Simplify right side
    705,396,979.67x = 278,435,529,176,874,016
  5. Step 5: Solve for x
    x = 278,435,529,176,874,016/705,396,979.67
  6. Step 6: Final answer
    x = 394,721,748.46

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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.