Home / 18,930,637,781.52-26,125,049,350.12-10,472,315,729.28

Finding the Fourth Proportional to 18,930,637,781.52, 26,125,049,350.12 and 10,472,315,729.28

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Solution

The fourth proportional to 18,930,637,781.52, 26,125,049,350.12 and 10,472,315,729.28 is: 14,452,221,229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930,637,781.52 : 26,125,049,350.12 = 10,472,315,729.28 : x
  2. Step 2: Convert to fraction form
    18,930,637,781.52/26,125,049,350.12 = 10,472,315,729.28/x
  3. Step 3: Cross multiply
    18,930,637,781.52x = 26,125,049,350.12 × 10,472,315,729.28
  4. Step 4: Simplify right side
    18,930,637,781.52x = 273,589,765,237,477,933,056
  5. Step 5: Solve for x
    x = 273,589,765,237,477,933,056/18,930,637,781.52
  6. Step 6: Final answer
    x = 14,452,221,229.68

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1.5x scale

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.