Home / 326,613,740.40-489,920,610.60-188,864,233.20

Finding the Fourth Proportional to 326,613,740.40, 489,920,610.60 and 188,864,233.20

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Solution

The fourth proportional to 326,613,740.40, 489,920,610.60 and 188,864,233.20 is: 283,296,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,613,740.40 : 489,920,610.60 = 188,864,233.20 : x
  2. Step 2: Convert to fraction form
    326,613,740.40/489,920,610.60 = 188,864,233.20/x
  3. Step 3: Cross multiply
    326,613,740.40x = 489,920,610.60 × 188,864,233.20
  4. Step 4: Simplify right side
    326,613,740.40x = 92,528,480,449,844,784
  5. Step 5: Solve for x
    x = 92,528,480,449,844,784/326,613,740.40
  6. Step 6: Final answer
    x = 283,296,349.80

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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.