Home / 20,954,397,739.20-31,435,963,610.40-6,984,359,620.80

Finding the Fourth Proportional to 20,954,397,739.20, 31,435,963,610.40 and 6,984,359,620.80

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Solution

The fourth proportional to 20,954,397,739.20, 31,435,963,610.40 and 6,984,359,620.80 is: 10,477,995,006.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954,397,739.20 : 31,435,963,610.40 = 6,984,359,620.80 : x
  2. Step 2: Convert to fraction form
    20,954,397,739.20/31,435,963,610.40 = 6,984,359,620.80/x
  3. Step 3: Cross multiply
    20,954,397,739.20x = 31,435,963,610.40 × 6,984,359,620.80
  4. Step 4: Simplify right side
    20,954,397,739.20x = 219,560,074,881,415,970,816
  5. Step 5: Solve for x
    x = 219,560,074,881,415,970,816/20,954,397,739.20
  6. Step 6: Final answer
    x = 10,477,995,006.78

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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.