Home / 865,930,308.85-1,195,113,212.63-681,677,833.33

Finding the Fourth Proportional to 865,930,308.85, 1,195,113,212.63 and 681,677,833.33

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Solution

The fourth proportional to 865,930,308.85, 1,195,113,212.63 and 681,677,833.33 is: 940,817,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,930,308.85 : 1,195,113,212.63 = 681,677,833.33 : x
  2. Step 2: Convert to fraction form
    865,930,308.85/1,195,113,212.63 = 681,677,833.33/x
  3. Step 3: Cross multiply
    865,930,308.85x = 1,195,113,212.63 × 681,677,833.33
  4. Step 4: Simplify right side
    865,930,308.85x = 814,682,185,368,390,400
  5. Step 5: Solve for x
    x = 814,682,185,368,390,400/865,930,308.85
  6. Step 6: Final answer
    x = 940,817,265.60

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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.