Home / 20,474,856,604.20-30,712,284,906.30-18,107,605,813.80

Finding the Fourth Proportional to 20,474,856,604.20, 30,712,284,906.30 and 18,107,605,813.80

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Solution

The fourth proportional to 20,474,856,604.20, 30,712,284,906.30 and 18,107,605,813.80 is: 27,161,408,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,474,856,604.20 : 30,712,284,906.30 = 18,107,605,813.80 : x
  2. Step 2: Convert to fraction form
    20,474,856,604.20/30,712,284,906.30 = 18,107,605,813.80/x
  3. Step 3: Cross multiply
    20,474,856,604.20x = 30,712,284,906.30 × 18,107,605,813.80
  4. Step 4: Simplify right side
    20,474,856,604.20x = 556,125,948,724,399,833,088
  5. Step 5: Solve for x
    x = 556,125,948,724,399,833,088/20,474,856,604.20
  6. Step 6: Final answer
    x = 27,161,408,720.70

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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.