Home / 414,617,786.88-621,448,385.04-155,667,850.08

Finding the Fourth Proportional to 414,617,786.88, 621,448,385.04 and 155,667,850.08

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Solution

The fourth proportional to 414,617,786.88, 621,448,385.04 and 155,667,850.08 is: 233,322,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,617,786.88 : 621,448,385.04 = 155,667,850.08 : x
  2. Step 2: Convert to fraction form
    414,617,786.88/621,448,385.04 = 155,667,850.08/x
  3. Step 3: Cross multiply
    414,617,786.88x = 621,448,385.04 × 155,667,850.08
  4. Step 4: Simplify right side
    414,617,786.88x = 96,739,534,034,864,832
  5. Step 5: Solve for x
    x = 96,739,534,034,864,832/414,617,786.88
  6. Step 6: Final answer
    x = 233,322,199.62

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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.