Home / 864,218,350.53-1,296,383,229.54-303,911,443.71

Finding the Fourth Proportional to 864,218,350.53, 1,296,383,229.54 and 303,911,443.71

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Solution

The fourth proportional to 864,218,350.53, 1,296,383,229.54 and 303,911,443.71 is: 455,886,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,218,350.53 : 1,296,383,229.54 = 303,911,443.71 : x
  2. Step 2: Convert to fraction form
    864,218,350.53/1,296,383,229.54 = 303,911,443.71/x
  3. Step 3: Cross multiply
    864,218,350.53x = 1,296,383,229.54 × 303,911,443.71
  4. Step 4: Simplify right side
    864,218,350.53x = 393,985,698,890,933,696
  5. Step 5: Solve for x
    x = 393,985,698,890,933,696/864,218,350.53
  6. Step 6: Final answer
    x = 455,886,754.37

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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.