Home / 325,921,811.20-488,882,716.80-172,866,803.20

Finding the Fourth Proportional to 325,921,811.20, 488,882,716.80 and 172,866,803.20

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Solution

The fourth proportional to 325,921,811.20, 488,882,716.80 and 172,866,803.20 is: 259,300,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,921,811.20 : 488,882,716.80 = 172,866,803.20 : x
  2. Step 2: Convert to fraction form
    325,921,811.20/488,882,716.80 = 172,866,803.20/x
  3. Step 3: Cross multiply
    325,921,811.20x = 488,882,716.80 × 172,866,803.20
  4. Step 4: Simplify right side
    325,921,811.20x = 84,511,592,392,946,928
  5. Step 5: Solve for x
    x = 84,511,592,392,946,928/325,921,811.20
  6. Step 6: Final answer
    x = 259,300,204.80

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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.