Home / 681,029,321,868.42-1,021,544,965,976.50-278,112,792,158.27

Finding the Fourth Proportional to 681,029,321,868.42, 1,021,544,965,976.50 and 278,112,792,158.27

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Solution

The fourth proportional to 681,029,321,868.42, 1,021,544,965,976.50 and 278,112,792,158.27 is: 417,169,589,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,029,321,868.42 : 1,021,544,965,976.50 = 278,112,792,158.27 : x
  2. Step 2: Convert to fraction form
    681,029,321,868.42/1,021,544,965,976.50 = 278,112,792,158.27/x
  3. Step 3: Cross multiply
    681,029,321,868.42x = 1,021,544,965,976.50 × 278,112,792,158.27
  4. Step 4: Simplify right side
    681,029,321,868.42x = 284,104,722,802,949,371,199,488
  5. Step 5: Solve for x
    x = 284,104,722,802,949,371,199,488/681,029,321,868.42
  6. Step 6: Final answer
    x = 417,169,589,737.34

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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.