Home / 741,017,440.78-1,111,416,826.32-216,245,641.09

Finding the Fourth Proportional to 741,017,440.78, 1,111,416,826.32 and 216,245,641.09

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Solution

The fourth proportional to 741,017,440.78, 1,111,416,826.32 and 216,245,641.09 is: 324,336,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,017,440.78 : 1,111,416,826.32 = 216,245,641.09 : x
  2. Step 2: Convert to fraction form
    741,017,440.78/1,111,416,826.32 = 216,245,641.09/x
  3. Step 3: Cross multiply
    741,017,440.78x = 1,111,416,826.32 × 216,245,641.09
  4. Step 4: Simplify right side
    741,017,440.78x = 240,339,044,125,781,568
  5. Step 5: Solve for x
    x = 240,339,044,125,781,568/741,017,440.78
  6. Step 6: Final answer
    x = 324,336,555.25

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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.