Home / 864,218,353.53-1,296,383,234.04-303,911,446.71

Finding the Fourth Proportional to 864,218,353.53, 1,296,383,234.04 and 303,911,446.71

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Solution

The fourth proportional to 864,218,353.53, 1,296,383,234.04 and 303,911,446.71 is: 455,886,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,218,353.53 : 1,296,383,234.04 = 303,911,446.71 : x
  2. Step 2: Convert to fraction form
    864,218,353.53/1,296,383,234.04 = 303,911,446.71/x
  3. Step 3: Cross multiply
    864,218,353.53x = 1,296,383,234.04 × 303,911,446.71
  4. Step 4: Simplify right side
    864,218,353.53x = 393,985,704,147,684,864
  5. Step 5: Solve for x
    x = 393,985,704,147,684,864/864,218,353.53
  6. Step 6: Final answer
    x = 455,886,758.87

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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.