Home / 550,358,408.71-759,205,181.28-327,181,338.73

Finding the Fourth Proportional to 550,358,408.71, 759,205,181.28 and 327,181,338.73

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Solution

The fourth proportional to 550,358,408.71, 759,205,181.28 and 327,181,338.73 is: 451,338,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,358,408.71 : 759,205,181.28 = 327,181,338.73 : x
  2. Step 2: Convert to fraction form
    550,358,408.71/759,205,181.28 = 327,181,338.73/x
  3. Step 3: Cross multiply
    550,358,408.71x = 759,205,181.28 × 327,181,338.73
  4. Step 4: Simplify right side
    550,358,408.71x = 248,397,767,581,942,752
  5. Step 5: Solve for x
    x = 248,397,767,581,942,752/550,358,408.71
  6. Step 6: Final answer
    x = 451,338,189.17

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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.