Home / 20,112,132,002.28-30,168,198,003.41-20,112,132,002.28

Finding the Fourth Proportional to 20,112,132,002.28, 30,168,198,003.41 and 20,112,132,002.28

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Solution

The fourth proportional to 20,112,132,002.28, 30,168,198,003.41 and 20,112,132,002.28 is: 30,168,198,003.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112,132,002.28 : 30,168,198,003.41 = 20,112,132,002.28 : x
  2. Step 2: Convert to fraction form
    20,112,132,002.28/30,168,198,003.41 = 20,112,132,002.28/x
  3. Step 3: Cross multiply
    20,112,132,002.28x = 30,168,198,003.41 × 20,112,132,002.28
  4. Step 4: Simplify right side
    20,112,132,002.28x = 606,746,780,515,501,867,008
  5. Step 5: Solve for x
    x = 606,746,780,515,501,867,008/20,112,132,002.28
  6. Step 6: Final answer
    x = 30,168,198,003.41

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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.