Home / 2,202,229,786.09-3,039,142,874.76-1,355,945,332.78

Finding the Fourth Proportional to 2,202,229,786.09, 3,039,142,874.76 and 1,355,945,332.78

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Solution

The fourth proportional to 2,202,229,786.09, 3,039,142,874.76 and 1,355,945,332.78 is: 1,871,245,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202,229,786.09 : 3,039,142,874.76 = 1,355,945,332.78 : x
  2. Step 2: Convert to fraction form
    2,202,229,786.09/3,039,142,874.76 = 1,355,945,332.78/x
  3. Step 3: Cross multiply
    2,202,229,786.09x = 3,039,142,874.76 × 1,355,945,332.78
  4. Step 4: Simplify right side
    2,202,229,786.09x = 4,120,911,596,682,414,080
  5. Step 5: Solve for x
    x = 4,120,911,596,682,414,080/2,202,229,786.09
  6. Step 6: Final answer
    x = 1,871,245,054.77

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Double scale
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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.