Home / 2,472,279,996.20-3,708,419,994.30-919,249,961.90

Finding the Fourth Proportional to 2,472,279,996.20, 3,708,419,994.30 and 919,249,961.90

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Solution

The fourth proportional to 2,472,279,996.20, 3,708,419,994.30 and 919,249,961.90 is: 1,378,874,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472,279,996.20 : 3,708,419,994.30 = 919,249,961.90 : x
  2. Step 2: Convert to fraction form
    2,472,279,996.20/3,708,419,994.30 = 919,249,961.90/x
  3. Step 3: Cross multiply
    2,472,279,996.20x = 3,708,419,994.30 × 919,249,961.90
  4. Step 4: Simplify right side
    2,472,279,996.20x = 3,408,964,938,469,473,280
  5. Step 5: Solve for x
    x = 3,408,964,938,469,473,280/2,472,279,996.20
  6. Step 6: Final answer
    x = 1,378,874,942.85

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1.5x scale

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.