Home / 399,373,369.53-551,189,999.88-229,824,122.85

Finding the Fourth Proportional to 399,373,369.53, 551,189,999.88 and 229,824,122.85

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Solution

The fourth proportional to 399,373,369.53, 551,189,999.88 and 229,824,122.85 is: 317,188,796.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,373,369.53 : 551,189,999.88 = 229,824,122.85 : x
  2. Step 2: Convert to fraction form
    399,373,369.53/551,189,999.88 = 229,824,122.85/x
  3. Step 3: Cross multiply
    399,373,369.53x = 551,189,999.88 × 229,824,122.85
  4. Step 4: Simplify right side
    399,373,369.53x = 126,676,758,246,112,608
  5. Step 5: Solve for x
    x = 126,676,758,246,112,608/399,373,369.53
  6. Step 6: Final answer
    x = 317,188,796.03

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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.