Home / 331,993,818.40-497,990,727.60-217,332,032.80

Finding the Fourth Proportional to 331,993,818.40, 497,990,727.60 and 217,332,032.80

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Solution

The fourth proportional to 331,993,818.40, 497,990,727.60 and 217,332,032.80 is: 325,998,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,993,818.40 : 497,990,727.60 = 217,332,032.80 : x
  2. Step 2: Convert to fraction form
    331,993,818.40/497,990,727.60 = 217,332,032.80/x
  3. Step 3: Cross multiply
    331,993,818.40x = 497,990,727.60 × 217,332,032.80
  4. Step 4: Simplify right side
    331,993,818.40x = 108,229,337,144,859,072
  5. Step 5: Solve for x
    x = 108,229,337,144,859,072/331,993,818.40
  6. Step 6: Final answer
    x = 325,998,049.20

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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.