Home / 2,199,965,043.20-3,300,532,149.90-955,861,662.20

Finding the Fourth Proportional to 2,199,965,043.20, 3,300,532,149.90 and 955,861,662.20

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Solution

The fourth proportional to 2,199,965,043.20, 3,300,532,149.90 and 955,861,662.20 is: 1,434,046,489.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,965,043.20 : 3,300,532,149.90 = 955,861,662.20 : x
  2. Step 2: Convert to fraction form
    2,199,965,043.20/3,300,532,149.90 = 955,861,662.20/x
  3. Step 3: Cross multiply
    2,199,965,043.20x = 3,300,532,149.90 × 955,861,662.20
  4. Step 4: Simplify right side
    2,199,965,043.20x = 3,154,852,146,947,953,664
  5. Step 5: Solve for x
    x = 3,154,852,146,947,953,664/2,199,965,043.20
  6. Step 6: Final answer
    x = 1,434,046,489.37

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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.