Home / 1,325,640,037.76-1,986,209,795.64-799,904,399.60

Finding the Fourth Proportional to 1,325,640,037.76, 1,986,209,795.64 and 799,904,399.60

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Solution

The fourth proportional to 1,325,640,037.76, 1,986,209,795.64 and 799,904,399.60 is: 1,198,498,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,640,037.76 : 1,986,209,795.64 = 799,904,399.60 : x
  2. Step 2: Convert to fraction form
    1,325,640,037.76/1,986,209,795.64 = 799,904,399.60/x
  3. Step 3: Cross multiply
    1,325,640,037.76x = 1,986,209,795.64 × 799,904,399.60
  4. Step 4: Simplify right side
    1,325,640,037.76x = 1,588,777,954,061,052,928
  5. Step 5: Solve for x
    x = 1,588,777,954,061,052,928/1,325,640,037.76
  6. Step 6: Final answer
    x = 1,198,498,769.50

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Double scale
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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.