Home / 331,994,723.40-497,992,085.10-217,332,937.80

Finding the Fourth Proportional to 331,994,723.40, 497,992,085.10 and 217,332,937.80

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Solution

The fourth proportional to 331,994,723.40, 497,992,085.10 and 217,332,937.80 is: 325,999,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,994,723.40 : 497,992,085.10 = 217,332,937.80 : x
  2. Step 2: Convert to fraction form
    331,994,723.40/497,992,085.10 = 217,332,937.80/x
  3. Step 3: Cross multiply
    331,994,723.40x = 497,992,085.10 × 217,332,937.80
  4. Step 4: Simplify right side
    331,994,723.40x = 108,230,082,855,930,624
  5. Step 5: Solve for x
    x = 108,230,082,855,930,624/331,994,723.40
  6. Step 6: Final answer
    x = 325,999,406.70

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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.