Home / 18,443,613,859.52-27,667,109,125.94-5,178,782,753.96

Finding the Fourth Proportional to 18,443,613,859.52, 27,667,109,125.94 and 5,178,782,753.96

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Solution

The fourth proportional to 18,443,613,859.52, 27,667,109,125.94 and 5,178,782,753.96 is: 7,768,648,199.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,613,859.52 : 27,667,109,125.94 = 5,178,782,753.96 : x
  2. Step 2: Convert to fraction form
    18,443,613,859.52/27,667,109,125.94 = 5,178,782,753.96/x
  3. Step 3: Cross multiply
    18,443,613,859.52x = 27,667,109,125.94 × 5,178,782,753.96
  4. Step 4: Simplify right side
    18,443,613,859.52x = 143,281,947,593,183,182,848
  5. Step 5: Solve for x
    x = 143,281,947,593,183,182,848/18,443,613,859.52
  6. Step 6: Final answer
    x = 7,768,648,199.02

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1.5x scale

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.