Home / 2,687,192,021.60-4,030,501,486.80-940,428,123.20

Finding the Fourth Proportional to 2,687,192,021.60, 4,030,501,486.80 and 940,428,123.20

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Solution

The fourth proportional to 2,687,192,021.60, 4,030,501,486.80 and 940,428,123.20 is: 1,410,541,903.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,192,021.60 : 4,030,501,486.80 = 940,428,123.20 : x
  2. Step 2: Convert to fraction form
    2,687,192,021.60/4,030,501,486.80 = 940,428,123.20/x
  3. Step 3: Cross multiply
    2,687,192,021.60x = 4,030,501,486.80 × 940,428,123.20
  4. Step 4: Simplify right side
    2,687,192,021.60x = 3,790,396,948,786,134,016
  5. Step 5: Solve for x
    x = 3,790,396,948,786,134,016/2,687,192,021.60
  6. Step 6: Final answer
    x = 1,410,541,903.34

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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.