Home / 865,930,309.10-1,195,113,212.97-681,677,833.58

Finding the Fourth Proportional to 865,930,309.10, 1,195,113,212.97 and 681,677,833.58

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Solution

The fourth proportional to 865,930,309.10, 1,195,113,212.97 and 681,677,833.58 is: 940,817,265.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,930,309.10 : 1,195,113,212.97 = 681,677,833.58 : x
  2. Step 2: Convert to fraction form
    865,930,309.10/1,195,113,212.97 = 681,677,833.58/x
  3. Step 3: Cross multiply
    865,930,309.10x = 1,195,113,212.97 × 681,677,833.58
  4. Step 4: Simplify right side
    865,930,309.10x = 814,682,185,900,222,848
  5. Step 5: Solve for x
    x = 814,682,185,900,222,848/865,930,309.10
  6. Step 6: Final answer
    x = 940,817,265.94

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1.5x scale

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.