Home / 18,443,613,846.28-27,667,109,106.08-5,178,782,740.70

Finding the Fourth Proportional to 18,443,613,846.28, 27,667,109,106.08 and 5,178,782,740.70

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Solution

The fourth proportional to 18,443,613,846.28, 27,667,109,106.08 and 5,178,782,740.70 is: 7,768,648,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,613,846.28 : 27,667,109,106.08 = 5,178,782,740.70 : x
  2. Step 2: Convert to fraction form
    18,443,613,846.28/27,667,109,106.08 = 5,178,782,740.70/x
  3. Step 3: Cross multiply
    18,443,613,846.28x = 27,667,109,106.08 × 5,178,782,740.70
  4. Step 4: Simplify right side
    18,443,613,846.28x = 143,281,947,123,492,569,088
  5. Step 5: Solve for x
    x = 143,281,947,123,492,569,088/18,443,613,846.28
  6. Step 6: Final answer
    x = 7,768,648,179.13

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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.