Home / 330,320,007.36-455,870,659.32-181,667,320.56

Finding the Fourth Proportional to 330,320,007.36, 455,870,659.32 and 181,667,320.56

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Solution

The fourth proportional to 330,320,007.36, 455,870,659.32 and 181,667,320.56 is: 250,716,878.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,320,007.36 : 455,870,659.32 = 181,667,320.56 : x
  2. Step 2: Convert to fraction form
    330,320,007.36/455,870,659.32 = 181,667,320.56/x
  3. Step 3: Cross multiply
    330,320,007.36x = 455,870,659.32 × 181,667,320.56
  4. Step 4: Simplify right side
    330,320,007.36x = 82,816,801,200,584,992
  5. Step 5: Solve for x
    x = 82,816,801,200,584,992/330,320,007.36
  6. Step 6: Final answer
    x = 250,716,878.65

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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.