Home / 299,436,019.20-449,154,028.80-264,290,054.40

Finding the Fourth Proportional to 299,436,019.20, 449,154,028.80 and 264,290,054.40

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Solution

The fourth proportional to 299,436,019.20, 449,154,028.80 and 264,290,054.40 is: 396,435,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,436,019.20 : 449,154,028.80 = 264,290,054.40 : x
  2. Step 2: Convert to fraction form
    299,436,019.20/449,154,028.80 = 264,290,054.40/x
  3. Step 3: Cross multiply
    299,436,019.20x = 449,154,028.80 × 264,290,054.40
  4. Step 4: Simplify right side
    299,436,019.20x = 118,706,942,705,531,168
  5. Step 5: Solve for x
    x = 118,706,942,705,531,168/299,436,019.20
  6. Step 6: Final answer
    x = 396,435,081.60

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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.