Home / 300,950,203,261.38-415,311,348,290.68-165,619,383,697.52

Finding the Fourth Proportional to 300,950,203,261.38, 415,311,348,290.68 and 165,619,383,697.52

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Solution

The fourth proportional to 300,950,203,261.38, 415,311,348,290.68 and 165,619,383,697.52 is: 228,554,786,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,950,203,261.38 : 415,311,348,290.68 = 165,619,383,697.52 : x
  2. Step 2: Convert to fraction form
    300,950,203,261.38/415,311,348,290.68 = 165,619,383,697.52/x
  3. Step 3: Cross multiply
    300,950,203,261.38x = 415,311,348,290.68 × 165,619,383,697.52
  4. Step 4: Simplify right side
    300,950,203,261.38x = 68,783,609,546,488,491,802,624
  5. Step 5: Solve for x
    x = 68,783,609,546,488,491,802,624/300,950,203,261.38
  6. Step 6: Final answer
    x = 228,554,786,808.86

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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.