Home / 2,202,229,785.09-3,039,142,873.38-1,355,945,331.78

Finding the Fourth Proportional to 2,202,229,785.09, 3,039,142,873.38 and 1,355,945,331.78

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Solution

The fourth proportional to 2,202,229,785.09, 3,039,142,873.38 and 1,355,945,331.78 is: 1,871,245,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202,229,785.09 : 3,039,142,873.38 = 1,355,945,331.78 : x
  2. Step 2: Convert to fraction form
    2,202,229,785.09/3,039,142,873.38 = 1,355,945,331.78/x
  3. Step 3: Cross multiply
    2,202,229,785.09x = 3,039,142,873.38 × 1,355,945,331.78
  4. Step 4: Simplify right side
    2,202,229,785.09x = 4,120,911,591,772,066,816
  5. Step 5: Solve for x
    x = 4,120,911,591,772,066,816/2,202,229,785.09
  6. Step 6: Final answer
    x = 1,871,245,053.39

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Double scale
Find fourth proportional to 2,202,229,786.09, 3,039,142,874.76 and 1,355,945,332.78
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.