Home / 118,922,256,010.40-178,383,384,015.60-83,589,507,413.60

Finding the Fourth Proportional to 118,922,256,010.40, 178,383,384,015.60 and 83,589,507,413.60

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Solution

The fourth proportional to 118,922,256,010.40, 178,383,384,015.60 and 83,589,507,413.60 is: 125,384,261,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,922,256,010.40 : 178,383,384,015.60 = 83,589,507,413.60 : x
  2. Step 2: Convert to fraction form
    118,922,256,010.40/178,383,384,015.60 = 83,589,507,413.60/x
  3. Step 3: Cross multiply
    118,922,256,010.40x = 178,383,384,015.60 × 83,589,507,413.60
  4. Step 4: Simplify right side
    118,922,256,010.40x = 14,910,979,200,635,052,752,896
  5. Step 5: Solve for x
    x = 14,910,979,200,635,052,752,896/118,922,256,010.40
  6. Step 6: Final answer
    x = 125,384,261,120.40

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1.5x scale

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.