Home / 681,029,321,866.96-1,021,544,965,974.30-278,112,792,156.77

Finding the Fourth Proportional to 681,029,321,866.96, 1,021,544,965,974.30 and 278,112,792,156.77

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Solution

The fourth proportional to 681,029,321,866.96, 1,021,544,965,974.30 and 278,112,792,156.77 is: 417,169,589,735.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,029,321,866.96 : 1,021,544,965,974.30 = 278,112,792,156.77 : x
  2. Step 2: Convert to fraction form
    681,029,321,866.96/1,021,544,965,974.30 = 278,112,792,156.77/x
  3. Step 3: Cross multiply
    681,029,321,866.96x = 1,021,544,965,974.30 × 278,112,792,156.77
  4. Step 4: Simplify right side
    681,029,321,866.96x = 284,104,722,800,805,209,440,256
  5. Step 5: Solve for x
    x = 284,104,722,800,805,209,440,256/681,029,321,866.96
  6. Step 6: Final answer
    x = 417,169,589,735.09

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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.