Home / 254,305,954,923.90-381,533,368,855.10-82,002,990,928.65

Finding the Fourth Proportional to 254,305,954,923.90, 381,533,368,855.10 and 82,002,990,928.65

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Solution

The fourth proportional to 254,305,954,923.90, 381,533,368,855.10 and 82,002,990,928.65 is: 123,028,489,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,305,954,923.90 : 381,533,368,855.10 = 82,002,990,928.65 : x
  2. Step 2: Convert to fraction form
    254,305,954,923.90/381,533,368,855.10 = 82,002,990,928.65/x
  3. Step 3: Cross multiply
    254,305,954,923.90x = 381,533,368,855.10 × 82,002,990,928.65
  4. Step 4: Simplify right side
    254,305,954,923.90x = 31,286,877,385,202,033,754,112
  5. Step 5: Solve for x
    x = 31,286,877,385,202,033,754,112/254,305,954,923.90
  6. Step 6: Final answer
    x = 123,028,489,028.36

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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.