Home / 12,288,906,664.39-16,958,691,215.67-6,650,122,513.85

Finding the Fourth Proportional to 12,288,906,664.39, 16,958,691,215.67 and 6,650,122,513.85

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Solution

The fourth proportional to 12,288,906,664.39, 16,958,691,215.67 and 6,650,122,513.85 is: 9,177,169,079.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288,906,664.39 : 16,958,691,215.67 = 6,650,122,513.85 : x
  2. Step 2: Convert to fraction form
    12,288,906,664.39/16,958,691,215.67 = 6,650,122,513.85/x
  3. Step 3: Cross multiply
    12,288,906,664.39x = 16,958,691,215.67 × 6,650,122,513.85
  4. Step 4: Simplify right side
    12,288,906,664.39x = 112,777,374,258,723,635,200
  5. Step 5: Solve for x
    x = 112,777,374,258,723,635,200/12,288,906,664.39
  6. Step 6: Final answer
    x = 9,177,169,079.29

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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.