Home / 65,190,100,287.60-97,785,150,431.40-18,661,377,855.60

Finding the Fourth Proportional to 65,190,100,287.60, 97,785,150,431.40 and 18,661,377,855.60

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Solution

The fourth proportional to 65,190,100,287.60, 97,785,150,431.40 and 18,661,377,855.60 is: 27,992,066,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,100,287.60 : 97,785,150,431.40 = 18,661,377,855.60 : x
  2. Step 2: Convert to fraction form
    65,190,100,287.60/97,785,150,431.40 = 18,661,377,855.60/x
  3. Step 3: Cross multiply
    65,190,100,287.60x = 97,785,150,431.40 × 18,661,377,855.60
  4. Step 4: Simplify right side
    65,190,100,287.60x = 1,824,805,640,867,042,557,952
  5. Step 5: Solve for x
    x = 1,824,805,640,867,042,557,952/65,190,100,287.60
  6. Step 6: Final answer
    x = 27,992,066,783.40

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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.