Home / 605,328,608.55-907,992,912.83-329,112,148.80

Finding the Fourth Proportional to 605,328,608.55, 907,992,912.83 and 329,112,148.80

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Solution

The fourth proportional to 605,328,608.55, 907,992,912.83 and 329,112,148.80 is: 493,668,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,328,608.55 : 907,992,912.83 = 329,112,148.80 : x
  2. Step 2: Convert to fraction form
    605,328,608.55/907,992,912.83 = 329,112,148.80/x
  3. Step 3: Cross multiply
    605,328,608.55x = 907,992,912.83 × 329,112,148.80
  4. Step 4: Simplify right side
    605,328,608.55x = 298,831,498,635,006,848
  5. Step 5: Solve for x
    x = 298,831,498,635,006,848/605,328,608.55
  6. Step 6: Final answer
    x = 493,668,223.20

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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.