Home / 280,441,546.56-420,661,755.72-263,375,798.04

Finding the Fourth Proportional to 280,441,546.56, 420,661,755.72 and 263,375,798.04

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Solution

The fourth proportional to 280,441,546.56, 420,661,755.72 and 263,375,798.04 is: 395,063,167.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,441,546.56 : 420,661,755.72 = 263,375,798.04 : x
  2. Step 2: Convert to fraction form
    280,441,546.56/420,661,755.72 = 263,375,798.04/x
  3. Step 3: Cross multiply
    280,441,546.56x = 420,661,755.72 × 263,375,798.04
  4. Step 4: Simplify right side
    280,441,546.56x = 110,792,125,617,662,544
  5. Step 5: Solve for x
    x = 110,792,125,617,662,544/280,441,546.56
  6. Step 6: Final answer
    x = 395,063,167.27

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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.