Home / 274,716,378.21-378,729,785.75-219,150,394.41

Finding the Fourth Proportional to 274,716,378.21, 378,729,785.75 and 219,150,394.41

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Solution

The fourth proportional to 274,716,378.21, 378,729,785.75 and 219,150,394.41 is: 302,125,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,716,378.21 : 378,729,785.75 = 219,150,394.41 : x
  2. Step 2: Convert to fraction form
    274,716,378.21/378,729,785.75 = 219,150,394.41/x
  3. Step 3: Cross multiply
    274,716,378.21x = 378,729,785.75 × 219,150,394.41
  4. Step 4: Simplify right side
    274,716,378.21x = 82,998,781,920,831,552
  5. Step 5: Solve for x
    x = 82,998,781,920,831,552/274,716,378.21
  6. Step 6: Final answer
    x = 302,125,350.01

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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.