Home / 645,188,499.72-967,515,940.35-202,383,480.93

Finding the Fourth Proportional to 645,188,499.72, 967,515,940.35 and 202,383,480.93

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Solution

The fourth proportional to 645,188,499.72, 967,515,940.35 and 202,383,480.93 is: 303,491,528.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,188,499.72 : 967,515,940.35 = 202,383,480.93 : x
  2. Step 2: Convert to fraction form
    645,188,499.72/967,515,940.35 = 202,383,480.93/x
  3. Step 3: Cross multiply
    645,188,499.72x = 967,515,940.35 × 202,383,480.93
  4. Step 4: Simplify right side
    645,188,499.72x = 195,809,243,863,295,264
  5. Step 5: Solve for x
    x = 195,809,243,863,295,264/645,188,499.72
  6. Step 6: Final answer
    x = 303,491,528.36

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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.