Home / 330,320,008.36-455,870,660.70-181,667,321.56

Finding the Fourth Proportional to 330,320,008.36, 455,870,660.70 and 181,667,321.56

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Solution

The fourth proportional to 330,320,008.36, 455,870,660.70 and 181,667,321.56 is: 250,716,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,320,008.36 : 455,870,660.70 = 181,667,321.56 : x
  2. Step 2: Convert to fraction form
    330,320,008.36/455,870,660.70 = 181,667,321.56/x
  3. Step 3: Cross multiply
    330,320,008.36x = 455,870,660.70 × 181,667,321.56
  4. Step 4: Simplify right side
    330,320,008.36x = 82,816,801,907,156,560
  5. Step 5: Solve for x
    x = 82,816,801,907,156,560/330,320,008.36
  6. Step 6: Final answer
    x = 250,716,880.03

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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.