Home / 422,442,375,573.84-633,667,485,756.24-120,254,967,723.84

Finding the Fourth Proportional to 422,442,375,573.84, 633,667,485,756.24 and 120,254,967,723.84

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Solution

The fourth proportional to 422,442,375,573.84, 633,667,485,756.24 and 120,254,967,723.84 is: 180,383,568,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,442,375,573.84 : 633,667,485,756.24 = 120,254,967,723.84 : x
  2. Step 2: Convert to fraction form
    422,442,375,573.84/633,667,485,756.24 = 120,254,967,723.84/x
  3. Step 3: Cross multiply
    422,442,375,573.84x = 633,667,485,756.24 × 120,254,967,723.84
  4. Step 4: Simplify right side
    422,442,375,573.84x = 76,201,663,047,263,479,398,400
  5. Step 5: Solve for x
    x = 76,201,663,047,263,479,398,400/422,442,375,573.84
  6. Step 6: Final answer
    x = 180,383,568,158.27

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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.