Home / 331,994,724.40-497,992,086.60-217,332,938.80

Finding the Fourth Proportional to 331,994,724.40, 497,992,086.60 and 217,332,938.80

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Solution

The fourth proportional to 331,994,724.40, 497,992,086.60 and 217,332,938.80 is: 325,999,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,994,724.40 : 497,992,086.60 = 217,332,938.80 : x
  2. Step 2: Convert to fraction form
    331,994,724.40/497,992,086.60 = 217,332,938.80/x
  3. Step 3: Cross multiply
    331,994,724.40x = 497,992,086.60 × 217,332,938.80
  4. Step 4: Simplify right side
    331,994,724.40x = 108,230,083,679,922,112
  5. Step 5: Solve for x
    x = 108,230,083,679,922,112/331,994,724.40
  6. Step 6: Final answer
    x = 325,999,408.20

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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.