Home / 18,443,613,849.28-27,667,109,110.58-5,178,782,743.70

Finding the Fourth Proportional to 18,443,613,849.28, 27,667,109,110.58 and 5,178,782,743.70

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Solution

The fourth proportional to 18,443,613,849.28, 27,667,109,110.58 and 5,178,782,743.70 is: 7,768,648,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,613,849.28 : 27,667,109,110.58 = 5,178,782,743.70 : x
  2. Step 2: Convert to fraction form
    18,443,613,849.28/27,667,109,110.58 = 5,178,782,743.70/x
  3. Step 3: Cross multiply
    18,443,613,849.28x = 27,667,109,110.58 × 5,178,782,743.70
  4. Step 4: Simplify right side
    18,443,613,849.28x = 143,281,947,229,936,762,880
  5. Step 5: Solve for x
    x = 143,281,947,229,936,762,880/18,443,613,849.28
  6. Step 6: Final answer
    x = 7,768,648,183.64

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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.