Home / 325,865,198.60-489,364,668.30-172,810,190.60

Finding the Fourth Proportional to 325,865,198.60, 489,364,668.30 and 172,810,190.60

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Solution

The fourth proportional to 325,865,198.60, 489,364,668.30 and 172,810,190.60 is: 259,515,904.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,865,198.60 : 489,364,668.30 = 172,810,190.60 : x
  2. Step 2: Convert to fraction form
    325,865,198.60/489,364,668.30 = 172,810,190.60/x
  3. Step 3: Cross multiply
    325,865,198.60x = 489,364,668.30 × 172,810,190.60
  4. Step 4: Simplify right side
    325,865,198.60x = 84,567,201,601,828,784
  5. Step 5: Solve for x
    x = 84,567,201,601,828,784/325,865,198.60
  6. Step 6: Final answer
    x = 259,515,904.02

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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.