Home / 399,331,045.72-598,599,759.30-277,907,406.04

Finding the Fourth Proportional to 399,331,045.72, 598,599,759.30 and 277,907,406.04

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Solution

The fourth proportional to 399,331,045.72, 598,599,759.30 and 277,907,406.04 is: 416,584,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,331,045.72 : 598,599,759.30 = 277,907,406.04 : x
  2. Step 2: Convert to fraction form
    399,331,045.72/598,599,759.30 = 277,907,406.04/x
  3. Step 3: Cross multiply
    399,331,045.72x = 598,599,759.30 × 277,907,406.04
  4. Step 4: Simplify right side
    399,331,045.72x = 166,355,306,363,231,360
  5. Step 5: Solve for x
    x = 166,355,306,363,231,360/399,331,045.72
  6. Step 6: Final answer
    x = 416,584,956.63

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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.