Home / 445,174,562.80-667,761,844.20-306,624,905.20

Finding the Fourth Proportional to 445,174,562.80, 667,761,844.20 and 306,624,905.20

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Solution

The fourth proportional to 445,174,562.80, 667,761,844.20 and 306,624,905.20 is: 459,937,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,174,562.80 : 667,761,844.20 = 306,624,905.20 : x
  2. Step 2: Convert to fraction form
    445,174,562.80/667,761,844.20 = 306,624,905.20/x
  3. Step 3: Cross multiply
    445,174,562.80x = 667,761,844.20 × 306,624,905.20
  4. Step 4: Simplify right side
    445,174,562.80x = 204,752,412,174,002,176
  5. Step 5: Solve for x
    x = 204,752,412,174,002,176/445,174,562.80
  6. Step 6: Final answer
    x = 459,937,357.80

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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.