Home / 20,953,846,400.20-31,384,853,097.90-18,627,410,278.60

Finding the Fourth Proportional to 20,953,846,400.20, 31,384,853,097.90 and 18,627,410,278.60

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Solution

The fourth proportional to 20,953,846,400.20, 31,384,853,097.90 and 18,627,410,278.60 is: 27,900,296,872.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,953,846,400.20 : 31,384,853,097.90 = 18,627,410,278.60 : x
  2. Step 2: Convert to fraction form
    20,953,846,400.20/31,384,853,097.90 = 18,627,410,278.60/x
  3. Step 3: Cross multiply
    20,953,846,400.20x = 31,384,853,097.90 × 18,627,410,278.60
  4. Step 4: Simplify right side
    20,953,846,400.20x = 584,618,535,188,173,488,128
  5. Step 5: Solve for x
    x = 584,618,535,188,173,488,128/20,953,846,400.20
  6. Step 6: Final answer
    x = 27,900,296,872.59

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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.