Home / 399,331,029.72-598,599,735.30-277,907,390.04

Finding the Fourth Proportional to 399,331,029.72, 598,599,735.30 and 277,907,390.04

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Solution

The fourth proportional to 399,331,029.72, 598,599,735.30 and 277,907,390.04 is: 416,584,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,331,029.72 : 598,599,735.30 = 277,907,390.04 : x
  2. Step 2: Convert to fraction form
    399,331,029.72/598,599,735.30 = 277,907,390.04/x
  3. Step 3: Cross multiply
    399,331,029.72x = 598,599,735.30 × 277,907,390.04
  4. Step 4: Simplify right side
    399,331,029.72x = 166,355,290,115,857,856
  5. Step 5: Solve for x
    x = 166,355,290,115,857,856/399,331,029.72
  6. Step 6: Final answer
    x = 416,584,932.64

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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.