Home / 13,262,396,568.17-18,310,367,017.19-8,442,481,128.35

Finding the Fourth Proportional to 13,262,396,568.17, 18,310,367,017.19 and 8,442,481,128.35

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Solution

The fourth proportional to 13,262,396,568.17, 18,310,367,017.19 and 8,442,481,128.35 is: 11,655,881,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262,396,568.17 : 18,310,367,017.19 = 8,442,481,128.35 : x
  2. Step 2: Convert to fraction form
    13,262,396,568.17/18,310,367,017.19 = 8,442,481,128.35/x
  3. Step 3: Cross multiply
    13,262,396,568.17x = 18,310,367,017.19 × 8,442,481,128.35
  4. Step 4: Simplify right side
    13,262,396,568.17x = 154,584,927,995,722,629,120
  5. Step 5: Solve for x
    x = 154,584,927,995,722,629,120/13,262,396,568.17
  6. Step 6: Final answer
    x = 11,655,881,891.42

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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.