Home / 575,022,768-862,188,912.09-263,740,453.26

Finding the Fourth Proportional to 575,022,768, 862,188,912.09 and 263,740,453.26

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Solution

The fourth proportional to 575,022,768, 862,188,912.09 and 263,740,453.26 is: 395,452,331.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,022,768 : 862,188,912.09 = 263,740,453.26 : x
  2. Step 2: Convert to fraction form
    575,022,768/862,188,912.09 = 263,740,453.26/x
  3. Step 3: Cross multiply
    575,022,768x = 862,188,912.09 × 263,740,453.26
  4. Step 4: Simplify right side
    575,022,768x = 227,394,094,470,362,880
  5. Step 5: Solve for x
    x = 227,394,094,470,362,880/575,022,768
  6. Step 6: Final answer
    x = 395,452,331.85

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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.