Home / 20,348,928,755.70-30,523,393,133.55-20,219,934,246.90

Finding the Fourth Proportional to 20,348,928,755.70, 30,523,393,133.55 and 20,219,934,246.90

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Solution

The fourth proportional to 20,348,928,755.70, 30,523,393,133.55 and 20,219,934,246.90 is: 30,329,901,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,928,755.70 : 30,523,393,133.55 = 20,219,934,246.90 : x
  2. Step 2: Convert to fraction form
    20,348,928,755.70/30,523,393,133.55 = 20,219,934,246.90/x
  3. Step 3: Cross multiply
    20,348,928,755.70x = 30,523,393,133.55 × 20,219,934,246.90
  4. Step 4: Simplify right side
    20,348,928,755.70x = 617,181,002,152,660,041,728
  5. Step 5: Solve for x
    x = 617,181,002,152,660,041,728/20,348,928,755.70
  6. Step 6: Final answer
    x = 30,329,901,370.35

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Double scale
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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.