Home / 2,166,065,495.28-2,991,974,338.26-1,791,236,122.56

Finding the Fourth Proportional to 2,166,065,495.28, 2,991,974,338.26 and 1,791,236,122.56

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Solution

The fourth proportional to 2,166,065,495.28, 2,991,974,338.26 and 1,791,236,122.56 is: 2,474,224,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,065,495.28 : 2,991,974,338.26 = 1,791,236,122.56 : x
  2. Step 2: Convert to fraction form
    2,166,065,495.28/2,991,974,338.26 = 1,791,236,122.56/x
  3. Step 3: Cross multiply
    2,166,065,495.28x = 2,991,974,338.26 × 1,791,236,122.56
  4. Step 4: Simplify right side
    2,166,065,495.28x = 5,359,332,512,463,864,832
  5. Step 5: Solve for x
    x = 5,359,332,512,463,864,832/2,166,065,495.28
  6. Step 6: Final answer
    x = 2,474,224,590.23

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Double scale
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1.5x scale

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.