Home / 299,552,015.20-449,328,022.80-251,179,074.40

Finding the Fourth Proportional to 299,552,015.20, 449,328,022.80 and 251,179,074.40

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Solution

The fourth proportional to 299,552,015.20, 449,328,022.80 and 251,179,074.40 is: 376,768,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,552,015.20 : 449,328,022.80 = 251,179,074.40 : x
  2. Step 2: Convert to fraction form
    299,552,015.20/449,328,022.80 = 251,179,074.40/x
  3. Step 3: Cross multiply
    299,552,015.20x = 449,328,022.80 × 251,179,074.40
  4. Step 4: Simplify right side
    299,552,015.20x = 112,861,796,868,886,096
  5. Step 5: Solve for x
    x = 112,861,796,868,886,096/299,552,015.20
  6. Step 6: Final answer
    x = 376,768,611.60

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1.5x scale

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.