Home / 3,982,288,089.06-5,495,558,100.80-2,198,141,878.77

Finding the Fourth Proportional to 3,982,288,089.06, 5,495,558,100.80 and 2,198,141,878.77

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Solution

The fourth proportional to 3,982,288,089.06, 5,495,558,100.80 and 2,198,141,878.77 is: 3,033,436,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982,288,089.06 : 5,495,558,100.80 = 2,198,141,878.77 : x
  2. Step 2: Convert to fraction form
    3,982,288,089.06/5,495,558,100.80 = 2,198,141,878.77/x
  3. Step 3: Cross multiply
    3,982,288,089.06x = 5,495,558,100.80 × 2,198,141,878.77
  4. Step 4: Simplify right side
    3,982,288,089.06x = 12,080,016,408,571,213,824
  5. Step 5: Solve for x
    x = 12,080,016,408,571,213,824/3,982,288,089.06
  6. Step 6: Final answer
    x = 3,033,436,089.61

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Double scale
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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.