Home / 2,166,065,299.28-2,991,974,067.78-1,791,235,926.56

Finding the Fourth Proportional to 2,166,065,299.28, 2,991,974,067.78 and 1,791,235,926.56

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Solution

The fourth proportional to 2,166,065,299.28, 2,991,974,067.78 and 1,791,235,926.56 is: 2,474,224,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,065,299.28 : 2,991,974,067.78 = 1,791,235,926.56 : x
  2. Step 2: Convert to fraction form
    2,166,065,299.28/2,991,974,067.78 = 1,791,235,926.56/x
  3. Step 3: Cross multiply
    2,166,065,299.28x = 2,991,974,067.78 × 1,791,235,926.56
  4. Step 4: Simplify right side
    2,166,065,299.28x = 5,359,331,441,543,400,448
  5. Step 5: Solve for x
    x = 5,359,331,441,543,400,448/2,166,065,299.28
  6. Step 6: Final answer
    x = 2,474,224,319.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.