Home / 18,649,283,446.41-27,988,431,488.19-13,016,628,445.65

Finding the Fourth Proportional to 18,649,283,446.41, 27,988,431,488.19 and 13,016,628,445.65

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Solution

The fourth proportional to 18,649,283,446.41, 27,988,431,488.19 and 13,016,628,445.65 is: 19,535,067,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649,283,446.41 : 27,988,431,488.19 = 13,016,628,445.65 : x
  2. Step 2: Convert to fraction form
    18,649,283,446.41/27,988,431,488.19 = 13,016,628,445.65/x
  3. Step 3: Cross multiply
    18,649,283,446.41x = 27,988,431,488.19 × 13,016,628,445.65
  4. Step 4: Simplify right side
    18,649,283,446.41x = 364,315,013,458,300,108,800
  5. Step 5: Solve for x
    x = 364,315,013,458,300,108,800/18,649,283,446.41
  6. Step 6: Final answer
    x = 19,535,067,634.38

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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.