Home / 1,443,691,481.28-2,163,597,459.84-787,659,462.96

Finding the Fourth Proportional to 1,443,691,481.28, 2,163,597,459.84 and 787,659,462.96

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Solution

The fourth proportional to 1,443,691,481.28, 2,163,597,459.84 and 787,659,462.96 is: 1,180,430,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,691,481.28 : 2,163,597,459.84 = 787,659,462.96 : x
  2. Step 2: Convert to fraction form
    1,443,691,481.28/2,163,597,459.84 = 787,659,462.96/x
  3. Step 3: Cross multiply
    1,443,691,481.28x = 2,163,597,459.84 × 787,659,462.96
  4. Step 4: Simplify right side
    1,443,691,481.28x = 1,704,178,013,279,194,880
  5. Step 5: Solve for x
    x = 1,704,178,013,279,194,880/1,443,691,481.28
  6. Step 6: Final answer
    x = 1,180,430,885.25

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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.