Home / 12,138,698,271.15-18,206,656,531.10-3,175,752,806.13

Finding the Fourth Proportional to 12,138,698,271.15, 18,206,656,531.10 and 3,175,752,806.13

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Solution

The fourth proportional to 12,138,698,271.15, 18,206,656,531.10 and 3,175,752,806.13 is: 4,763,265,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,698,271.15 : 18,206,656,531.10 = 3,175,752,806.13 : x
  2. Step 2: Convert to fraction form
    12,138,698,271.15/18,206,656,531.10 = 3,175,752,806.13/x
  3. Step 3: Cross multiply
    12,138,698,271.15x = 18,206,656,531.10 × 3,175,752,806.13
  4. Step 4: Simplify right side
    12,138,698,271.15x = 57,819,840,568,870,043,648
  5. Step 5: Solve for x
    x = 57,819,840,568,870,043,648/12,138,698,271.15
  6. Step 6: Final answer
    x = 4,763,265,325.27

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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.