Home / 343,336,736.20-515,005,104.30-305,713,337.80

Finding the Fourth Proportional to 343,336,736.20, 515,005,104.30 and 305,713,337.80

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Solution

The fourth proportional to 343,336,736.20, 515,005,104.30 and 305,713,337.80 is: 458,570,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,336,736.20 : 515,005,104.30 = 305,713,337.80 : x
  2. Step 2: Convert to fraction form
    343,336,736.20/515,005,104.30 = 305,713,337.80/x
  3. Step 3: Cross multiply
    343,336,736.20x = 515,005,104.30 × 305,713,337.80
  4. Step 4: Simplify right side
    343,336,736.20x = 157,443,929,419,590,144
  5. Step 5: Solve for x
    x = 157,443,929,419,590,144/343,336,736.20
  6. Step 6: Final answer
    x = 458,570,006.70

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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.