Home / 299,475,396.37-449,212,492.16-281,251,376.90

Finding the Fourth Proportional to 299,475,396.37, 449,212,492.16 and 281,251,376.90

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Solution

The fourth proportional to 299,475,396.37, 449,212,492.16 and 281,251,376.90 is: 421,876,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,475,396.37 : 449,212,492.16 = 281,251,376.90 : x
  2. Step 2: Convert to fraction form
    299,475,396.37/449,212,492.16 = 281,251,376.90/x
  3. Step 3: Cross multiply
    299,475,396.37x = 449,212,492.16 × 281,251,376.90
  4. Step 4: Simplify right side
    299,475,396.37x = 126,341,631,943,092,400
  5. Step 5: Solve for x
    x = 126,341,631,943,092,400/299,475,396.37
  6. Step 6: Final answer
    x = 421,876,499.63

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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.