Home / 2,638,110,014.26-3,957,292,290.83-867,441,531.78

Finding the Fourth Proportional to 2,638,110,014.26, 3,957,292,290.83 and 867,441,531.78

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Solution

The fourth proportional to 2,638,110,014.26, 3,957,292,290.83 and 867,441,531.78 is: 1,301,204,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,110,014.26 : 3,957,292,290.83 = 867,441,531.78 : x
  2. Step 2: Convert to fraction form
    2,638,110,014.26/3,957,292,290.83 = 867,441,531.78/x
  3. Step 3: Cross multiply
    2,638,110,014.26x = 3,957,292,290.83 × 867,441,531.78
  4. Step 4: Simplify right side
    2,638,110,014.26x = 3,432,719,686,454,423,040
  5. Step 5: Solve for x
    x = 3,432,719,686,454,423,040/2,638,110,014.26
  6. Step 6: Final answer
    x = 1,301,204,145.36

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1.5x scale

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.