Home / 348,216,760.56-480,542,943.57-189,447,786.03

Finding the Fourth Proportional to 348,216,760.56, 480,542,943.57 and 189,447,786.03

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Solution

The fourth proportional to 348,216,760.56, 480,542,943.57 and 189,447,786.03 is: 261,440,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,216,760.56 : 480,542,943.57 = 189,447,786.03 : x
  2. Step 2: Convert to fraction form
    348,216,760.56/480,542,943.57 = 189,447,786.03/x
  3. Step 3: Cross multiply
    348,216,760.56x = 480,542,943.57 × 189,447,786.03
  4. Step 4: Simplify right side
    348,216,760.56x = 91,037,796,751,675,728
  5. Step 5: Solve for x
    x = 91,037,796,751,675,728/348,216,760.56
  6. Step 6: Final answer
    x = 261,440,019.73

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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.