Home / 20,348,928,758.70-30,523,393,138.05-20,219,934,249.90

Finding the Fourth Proportional to 20,348,928,758.70, 30,523,393,138.05 and 20,219,934,249.90

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Solution

The fourth proportional to 20,348,928,758.70, 30,523,393,138.05 and 20,219,934,249.90 is: 30,329,901,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,928,758.70 : 30,523,393,138.05 = 20,219,934,249.90 : x
  2. Step 2: Convert to fraction form
    20,348,928,758.70/30,523,393,138.05 = 20,219,934,249.90/x
  3. Step 3: Cross multiply
    20,348,928,758.70x = 30,523,393,138.05 × 20,219,934,249.90
  4. Step 4: Simplify right side
    20,348,928,758.70x = 617,181,002,335,219,875,840
  5. Step 5: Solve for x
    x = 617,181,002,335,219,875,840/20,348,928,758.70
  6. Step 6: Final answer
    x = 30,329,901,374.85

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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.