Home / 681,029,321,906.35-1,021,544,966,033.30-278,112,792,196.04

Finding the Fourth Proportional to 681,029,321,906.35, 1,021,544,966,033.30 and 278,112,792,196.04

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Solution

The fourth proportional to 681,029,321,906.35, 1,021,544,966,033.30 and 278,112,792,196.04 is: 417,169,589,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,029,321,906.35 : 1,021,544,966,033.30 = 278,112,792,196.04 : x
  2. Step 2: Convert to fraction form
    681,029,321,906.35/1,021,544,966,033.30 = 278,112,792,196.04/x
  3. Step 3: Cross multiply
    681,029,321,906.35x = 1,021,544,966,033.30 × 278,112,792,196.04
  4. Step 4: Simplify right side
    681,029,321,906.35x = 284,104,722,857,329,898,291,200
  5. Step 5: Solve for x
    x = 284,104,722,857,329,898,291,200/681,029,321,906.35
  6. Step 6: Final answer
    x = 417,169,589,793.96

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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.