Home / 343,882,608.20-515,823,912.30-299,092,848.20

Finding the Fourth Proportional to 343,882,608.20, 515,823,912.30 and 299,092,848.20

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Solution

The fourth proportional to 343,882,608.20, 515,823,912.30 and 299,092,848.20 is: 448,639,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,882,608.20 : 515,823,912.30 = 299,092,848.20 : x
  2. Step 2: Convert to fraction form
    343,882,608.20/515,823,912.30 = 299,092,848.20/x
  3. Step 3: Cross multiply
    343,882,608.20x = 515,823,912.30 × 299,092,848.20
  4. Step 4: Simplify right side
    343,882,608.20x = 154,279,243,099,474,016
  5. Step 5: Solve for x
    x = 154,279,243,099,474,016/343,882,608.20
  6. Step 6: Final answer
    x = 448,639,272.30

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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.