Home / 263,505,478.34-395,340,821.72-158,575,314.22

Finding the Fourth Proportional to 263,505,478.34, 395,340,821.72 and 158,575,314.22

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Solution

The fourth proportional to 263,505,478.34, 395,340,821.72 and 158,575,314.22 is: 237,912,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,505,478.34 : 395,340,821.72 = 158,575,314.22 : x
  2. Step 2: Convert to fraction form
    263,505,478.34/395,340,821.72 = 158,575,314.22/x
  3. Step 3: Cross multiply
    263,505,478.34x = 395,340,821.72 × 158,575,314.22
  4. Step 4: Simplify right side
    263,505,478.34x = 62,691,295,028,242,008
  5. Step 5: Solve for x
    x = 62,691,295,028,242,008/263,505,478.34
  6. Step 6: Final answer
    x = 237,912,681.83

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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.