Home / 331,778,834.40-497,668,251.60-195,394,015.20

Finding the Fourth Proportional to 331,778,834.40, 497,668,251.60 and 195,394,015.20

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Solution

The fourth proportional to 331,778,834.40, 497,668,251.60 and 195,394,015.20 is: 293,091,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,778,834.40 : 497,668,251.60 = 195,394,015.20 : x
  2. Step 2: Convert to fraction form
    331,778,834.40/497,668,251.60 = 195,394,015.20/x
  3. Step 3: Cross multiply
    331,778,834.40x = 497,668,251.60 × 195,394,015.20
  4. Step 4: Simplify right side
    331,778,834.40x = 97,241,397,917,687,824
  5. Step 5: Solve for x
    x = 97,241,397,917,687,824/331,778,834.40
  6. Step 6: Final answer
    x = 293,091,022.80

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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.