Home / 396,576,643.20-594,864,964.80-166,805,174.40

Finding the Fourth Proportional to 396,576,643.20, 594,864,964.80 and 166,805,174.40

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Solution

The fourth proportional to 396,576,643.20, 594,864,964.80 and 166,805,174.40 is: 250,207,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,576,643.20 : 594,864,964.80 = 166,805,174.40 : x
  2. Step 2: Convert to fraction form
    396,576,643.20/594,864,964.80 = 166,805,174.40/x
  3. Step 3: Cross multiply
    396,576,643.20x = 594,864,964.80 × 166,805,174.40
  4. Step 4: Simplify right side
    396,576,643.20x = 99,226,554,197,913,856
  5. Step 5: Solve for x
    x = 99,226,554,197,913,856/396,576,643.20
  6. Step 6: Final answer
    x = 250,207,761.60

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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.