Home / 1,647,363,422.47-2,273,405,917.86-969,227,709.85

Finding the Fourth Proportional to 1,647,363,422.47, 2,273,405,917.86 and 969,227,709.85

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Solution

The fourth proportional to 1,647,363,422.47, 2,273,405,917.86 and 969,227,709.85 is: 1,337,560,359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,363,422.47 : 2,273,405,917.86 = 969,227,709.85 : x
  2. Step 2: Convert to fraction form
    1,647,363,422.47/2,273,405,917.86 = 969,227,709.85/x
  3. Step 3: Cross multiply
    1,647,363,422.47x = 2,273,405,917.86 × 969,227,709.85
  4. Step 4: Simplify right side
    1,647,363,422.47x = 2,203,448,011,326,885,120
  5. Step 5: Solve for x
    x = 2,203,448,011,326,885,120/1,647,363,422.47
  6. Step 6: Final answer
    x = 1,337,560,359.34

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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.