Home / 325,860,240.60-489,357,231.30-172,805,232.60

Finding the Fourth Proportional to 325,860,240.60, 489,357,231.30 and 172,805,232.60

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Solution

The fourth proportional to 325,860,240.60, 489,357,231.30 and 172,805,232.60 is: 259,508,462.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,860,240.60 : 489,357,231.30 = 172,805,232.60 : x
  2. Step 2: Convert to fraction form
    325,860,240.60/489,357,231.30 = 172,805,232.60/x
  3. Step 3: Cross multiply
    325,860,240.60x = 489,357,231.30 × 172,805,232.60
  4. Step 4: Simplify right side
    325,860,240.60x = 84,563,490,179,288,496
  5. Step 5: Solve for x
    x = 84,563,490,179,288,496/325,860,240.60
  6. Step 6: Final answer
    x = 259,508,462.96

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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.