Home / 331,994,718.90-497,992,078.35-217,332,933.30

Finding the Fourth Proportional to 331,994,718.90, 497,992,078.35 and 217,332,933.30

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Solution

The fourth proportional to 331,994,718.90, 497,992,078.35 and 217,332,933.30 is: 325,999,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,994,718.90 : 497,992,078.35 = 217,332,933.30 : x
  2. Step 2: Convert to fraction form
    331,994,718.90/497,992,078.35 = 217,332,933.30/x
  3. Step 3: Cross multiply
    331,994,718.90x = 497,992,078.35 × 217,332,933.30
  4. Step 4: Simplify right side
    331,994,718.90x = 108,230,079,147,968,928
  5. Step 5: Solve for x
    x = 108,230,079,147,968,928/331,994,718.90
  6. Step 6: Final answer
    x = 325,999,399.95

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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.