Home / 399,373,371.53-551,190,002.64-229,824,124.85

Finding the Fourth Proportional to 399,373,371.53, 551,190,002.64 and 229,824,124.85

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Solution

The fourth proportional to 399,373,371.53, 551,190,002.64 and 229,824,124.85 is: 317,188,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,373,371.53 : 551,190,002.64 = 229,824,124.85 : x
  2. Step 2: Convert to fraction form
    399,373,371.53/551,190,002.64 = 229,824,124.85/x
  3. Step 3: Cross multiply
    399,373,371.53x = 551,190,002.64 × 229,824,124.85
  4. Step 4: Simplify right side
    399,373,371.53x = 126,676,759,982,807,184
  5. Step 5: Solve for x
    x = 126,676,759,982,807,184/399,373,371.53
  6. Step 6: Final answer
    x = 317,188,798.79

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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.