Home / 20,969,544,086.28-28,937,775,268.08-11,454,092,193.96

Finding the Fourth Proportional to 20,969,544,086.28, 28,937,775,268.08 and 11,454,092,193.96

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Solution

The fourth proportional to 20,969,544,086.28, 28,937,775,268.08 and 11,454,092,193.96 is: 15,806,540,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,969,544,086.28 : 28,937,775,268.08 = 11,454,092,193.96 : x
  2. Step 2: Convert to fraction form
    20,969,544,086.28/28,937,775,268.08 = 11,454,092,193.96/x
  3. Step 3: Cross multiply
    20,969,544,086.28x = 28,937,775,268.08 × 11,454,092,193.96
  4. Step 4: Simplify right side
    20,969,544,086.28x = 331,455,945,808,683,859,968
  5. Step 5: Solve for x
    x = 331,455,945,808,683,859,968/20,969,544,086.28
  6. Step 6: Final answer
    x = 15,806,540,401.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.