Home / 295,489,992.80-443,234,989.20-173,045,986.40

Finding the Fourth Proportional to 295,489,992.80, 443,234,989.20 and 173,045,986.40

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Solution

The fourth proportional to 295,489,992.80, 443,234,989.20 and 173,045,986.40 is: 259,568,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,489,992.80 : 443,234,989.20 = 173,045,986.40 : x
  2. Step 2: Convert to fraction form
    295,489,992.80/443,234,989.20 = 173,045,986.40/x
  3. Step 3: Cross multiply
    295,489,992.80x = 443,234,989.20 × 173,045,986.40
  4. Step 4: Simplify right side
    295,489,992.80x = 76,700,035,913,107,344
  5. Step 5: Solve for x
    x = 76,700,035,913,107,344/295,489,992.80
  6. Step 6: Final answer
    x = 259,568,979.60

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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.