Home / 399,373,370.53-551,190,001.26-229,824,123.85

Finding the Fourth Proportional to 399,373,370.53, 551,190,001.26 and 229,824,123.85

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Solution

The fourth proportional to 399,373,370.53, 551,190,001.26 and 229,824,123.85 is: 317,188,797.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,373,370.53 : 551,190,001.26 = 229,824,123.85 : x
  2. Step 2: Convert to fraction form
    399,373,370.53/551,190,001.26 = 229,824,123.85/x
  3. Step 3: Cross multiply
    399,373,370.53x = 551,190,001.26 × 229,824,123.85
  4. Step 4: Simplify right side
    399,373,370.53x = 126,676,759,114,459,888
  5. Step 5: Solve for x
    x = 126,676,759,114,459,888/399,373,370.53
  6. Step 6: Final answer
    x = 317,188,797.41

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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.