Home / 269,128,245,863.20-403,692,368,794.80-112,073,400,320.80

Finding the Fourth Proportional to 269,128,245,863.20, 403,692,368,794.80 and 112,073,400,320.80

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Solution

The fourth proportional to 269,128,245,863.20, 403,692,368,794.80 and 112,073,400,320.80 is: 168,110,100,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,128,245,863.20 : 403,692,368,794.80 = 112,073,400,320.80 : x
  2. Step 2: Convert to fraction form
    269,128,245,863.20/403,692,368,794.80 = 112,073,400,320.80/x
  3. Step 3: Cross multiply
    269,128,245,863.20x = 403,692,368,794.80 × 112,073,400,320.80
  4. Step 4: Simplify right side
    269,128,245,863.20x = 45,243,176,454,391,651,631,104
  5. Step 5: Solve for x
    x = 45,243,176,454,391,651,631,104/269,128,245,863.20
  6. Step 6: Final answer
    x = 168,110,100,481.20

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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.