Home / 20,969,544,117.78-28,937,775,311.52-11,454,092,225.46

Finding the Fourth Proportional to 20,969,544,117.78, 28,937,775,311.52 and 11,454,092,225.46

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Solution

The fourth proportional to 20,969,544,117.78, 28,937,775,311.52 and 11,454,092,225.46 is: 15,806,540,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,969,544,117.78 : 28,937,775,311.52 = 11,454,092,225.46 : x
  2. Step 2: Convert to fraction form
    20,969,544,117.78/28,937,775,311.52 = 11,454,092,225.46/x
  3. Step 3: Cross multiply
    20,969,544,117.78x = 28,937,775,311.52 × 11,454,092,225.46
  4. Step 4: Simplify right side
    20,969,544,117.78x = 331,455,947,217,789,517,824
  5. Step 5: Solve for x
    x = 331,455,947,217,789,517,824/20,969,544,117.78
  6. Step 6: Final answer
    x = 15,806,540,445.33

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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.