Home / 681,029,321,945.89-1,021,544,966,092.40-278,112,792,235.26

Finding the Fourth Proportional to 681,029,321,945.89, 1,021,544,966,092.40 and 278,112,792,235.26

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Solution

The fourth proportional to 681,029,321,945.89, 1,021,544,966,092.40 and 278,112,792,235.26 is: 417,169,589,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,029,321,945.89 : 1,021,544,966,092.40 = 278,112,792,235.26 : x
  2. Step 2: Convert to fraction form
    681,029,321,945.89/1,021,544,966,092.40 = 278,112,792,235.26/x
  3. Step 3: Cross multiply
    681,029,321,945.89x = 1,021,544,966,092.40 × 278,112,792,235.26
  4. Step 4: Simplify right side
    681,029,321,945.89x = 284,104,722,913,831,367,475,200
  5. Step 5: Solve for x
    x = 284,104,722,913,831,367,475,200/681,029,321,945.89
  6. Step 6: Final answer
    x = 417,169,589,852.70

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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.