Home / 299,451,299.40-448,421,121.90-196,658,800.20

Finding the Fourth Proportional to 299,451,299.40, 448,421,121.90 and 196,658,800.20

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Solution

The fourth proportional to 299,451,299.40, 448,421,121.90 and 196,658,800.20 is: 294,491,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,451,299.40 : 448,421,121.90 = 196,658,800.20 : x
  2. Step 2: Convert to fraction form
    299,451,299.40/448,421,121.90 = 196,658,800.20/x
  3. Step 3: Cross multiply
    299,451,299.40x = 448,421,121.90 × 196,658,800.20
  4. Step 4: Simplify right side
    299,451,299.40x = 88,185,959,817,191,936
  5. Step 5: Solve for x
    x = 88,185,959,817,191,936/299,451,299.40
  6. Step 6: Final answer
    x = 294,491,825.53

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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.