Home / 2,126,037,729.60-3,189,056,594.40-979,419,873.60

Finding the Fourth Proportional to 2,126,037,729.60, 3,189,056,594.40 and 979,419,873.60

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Solution

The fourth proportional to 2,126,037,729.60, 3,189,056,594.40 and 979,419,873.60 is: 1,469,129,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,037,729.60 : 3,189,056,594.40 = 979,419,873.60 : x
  2. Step 2: Convert to fraction form
    2,126,037,729.60/3,189,056,594.40 = 979,419,873.60/x
  3. Step 3: Cross multiply
    2,126,037,729.60x = 3,189,056,594.40 × 979,419,873.60
  4. Step 4: Simplify right side
    2,126,037,729.60x = 3,123,425,406,590,494,720
  5. Step 5: Solve for x
    x = 3,123,425,406,590,494,720/2,126,037,729.60
  6. Step 6: Final answer
    x = 1,469,129,810.40

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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.