Home / 20,348,928,760.20-30,523,393,140.30-20,219,934,251.40

Finding the Fourth Proportional to 20,348,928,760.20, 30,523,393,140.30 and 20,219,934,251.40

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Solution

The fourth proportional to 20,348,928,760.20, 30,523,393,140.30 and 20,219,934,251.40 is: 30,329,901,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,928,760.20 : 30,523,393,140.30 = 20,219,934,251.40 : x
  2. Step 2: Convert to fraction form
    20,348,928,760.20/30,523,393,140.30 = 20,219,934,251.40/x
  3. Step 3: Cross multiply
    20,348,928,760.20x = 30,523,393,140.30 × 20,219,934,251.40
  4. Step 4: Simplify right side
    20,348,928,760.20x = 617,181,002,426,499,858,432
  5. Step 5: Solve for x
    x = 617,181,002,426,499,858,432/20,348,928,760.20
  6. Step 6: Final answer
    x = 30,329,901,377.10

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Double scale
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Similar ratio
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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.