Home / 240,457,982,133.38-331,944,992,211.40-138,940,230,383.42

Finding the Fourth Proportional to 240,457,982,133.38, 331,944,992,211.40 and 138,940,230,383.42

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Solution

The fourth proportional to 240,457,982,133.38, 331,944,992,211.40 and 138,940,230,383.42 is: 191,802,797,658.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,457,982,133.38 : 331,944,992,211.40 = 138,940,230,383.42 : x
  2. Step 2: Convert to fraction form
    240,457,982,133.38/331,944,992,211.40 = 138,940,230,383.42/x
  3. Step 3: Cross multiply
    240,457,982,133.38x = 331,944,992,211.40 × 138,940,230,383.42
  4. Step 4: Simplify right side
    240,457,982,133.38x = 46,120,513,692,474,483,408,896
  5. Step 5: Solve for x
    x = 46,120,513,692,474,483,408,896/240,457,982,133.38
  6. Step 6: Final answer
    x = 191,802,797,658.39

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Double scale
Find fourth proportional to 240,457,982,134.38, 331,944,992,212.78 and 138,940,230,384.42
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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.