Home / 2,126,031,032.60-3,189,046,548.90-979,413,176.60

Finding the Fourth Proportional to 2,126,031,032.60, 3,189,046,548.90 and 979,413,176.60

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Solution

The fourth proportional to 2,126,031,032.60, 3,189,046,548.90 and 979,413,176.60 is: 1,469,119,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,031,032.60 : 3,189,046,548.90 = 979,413,176.60 : x
  2. Step 2: Convert to fraction form
    2,126,031,032.60/3,189,046,548.90 = 979,413,176.60/x
  3. Step 3: Cross multiply
    2,126,031,032.60x = 3,189,046,548.90 × 979,413,176.60
  4. Step 4: Simplify right side
    2,126,031,032.60x = 3,123,394,210,783,416,320
  5. Step 5: Solve for x
    x = 3,123,394,210,783,416,320/2,126,031,032.60
  6. Step 6: Final answer
    x = 1,469,119,764.90

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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.