Home / 396,824,033.24-547,619,295.13-218,219,438.64

Finding the Fourth Proportional to 396,824,033.24, 547,619,295.13 and 218,219,438.64

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Solution

The fourth proportional to 396,824,033.24, 547,619,295.13 and 218,219,438.64 is: 301,143,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,824,033.24 : 547,619,295.13 = 218,219,438.64 : x
  2. Step 2: Convert to fraction form
    396,824,033.24/547,619,295.13 = 218,219,438.64/x
  3. Step 3: Cross multiply
    396,824,033.24x = 547,619,295.13 × 218,219,438.64
  4. Step 4: Simplify right side
    396,824,033.24x = 119,501,175,171,701,072
  5. Step 5: Solve for x
    x = 119,501,175,171,701,072/396,824,033.24
  6. Step 6: Final answer
    x = 301,143,996.23

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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.