Home / 20,510,829,187.20-30,766,243,780.80-7,419,902,083.20

Finding the Fourth Proportional to 20,510,829,187.20, 30,766,243,780.80 and 7,419,902,083.20

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Solution

The fourth proportional to 20,510,829,187.20, 30,766,243,780.80 and 7,419,902,083.20 is: 11,129,853,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,510,829,187.20 : 30,766,243,780.80 = 7,419,902,083.20 : x
  2. Step 2: Convert to fraction form
    20,510,829,187.20/30,766,243,780.80 = 7,419,902,083.20/x
  3. Step 3: Cross multiply
    20,510,829,187.20x = 30,766,243,780.80 × 7,419,902,083.20
  4. Step 4: Simplify right side
    20,510,829,187.20x = 228,282,516,321,396,948,992
  5. Step 5: Solve for x
    x = 228,282,516,321,396,948,992/20,510,829,187.20
  6. Step 6: Final answer
    x = 11,129,853,124.80

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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.