Home / 20,348,928,747.70-30,523,393,121.55-20,219,934,238.90

Finding the Fourth Proportional to 20,348,928,747.70, 30,523,393,121.55 and 20,219,934,238.90

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Solution

The fourth proportional to 20,348,928,747.70, 30,523,393,121.55 and 20,219,934,238.90 is: 30,329,901,358.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,928,747.70 : 30,523,393,121.55 = 20,219,934,238.90 : x
  2. Step 2: Convert to fraction form
    20,348,928,747.70/30,523,393,121.55 = 20,219,934,238.90/x
  3. Step 3: Cross multiply
    20,348,928,747.70x = 30,523,393,121.55 × 20,219,934,238.90
  4. Step 4: Simplify right side
    20,348,928,747.70x = 617,181,001,665,833,598,976
  5. Step 5: Solve for x
    x = 617,181,001,665,833,598,976/20,348,928,747.70
  6. Step 6: Final answer
    x = 30,329,901,358.35

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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.