Home / 8,338,968,780.27-12,508,442,607.24-2,128,134,205.41

Finding the Fourth Proportional to 8,338,968,780.27, 12,508,442,607.24 and 2,128,134,205.41

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Solution

The fourth proportional to 8,338,968,780.27, 12,508,442,607.24 and 2,128,134,205.41 is: 3,192,198,612.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338,968,780.27 : 12,508,442,607.24 = 2,128,134,205.41 : x
  2. Step 2: Convert to fraction form
    8,338,968,780.27/12,508,442,607.24 = 2,128,134,205.41/x
  3. Step 3: Cross multiply
    8,338,968,780.27x = 12,508,442,607.24 × 2,128,134,205.41
  4. Step 4: Simplify right side
    8,338,968,780.27x = 26,619,644,568,875,286,528
  5. Step 5: Solve for x
    x = 26,619,644,568,875,286,528/8,338,968,780.27
  6. Step 6: Final answer
    x = 3,192,198,612.36

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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.