Home / 497,667,589.20-746,501,383.80-279,989,355.60

Finding the Fourth Proportional to 497,667,589.20, 746,501,383.80 and 279,989,355.60

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Solution

The fourth proportional to 497,667,589.20, 746,501,383.80 and 279,989,355.60 is: 419,984,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,667,589.20 : 746,501,383.80 = 279,989,355.60 : x
  2. Step 2: Convert to fraction form
    497,667,589.20/746,501,383.80 = 279,989,355.60/x
  3. Step 3: Cross multiply
    497,667,589.20x = 746,501,383.80 × 279,989,355.60
  4. Step 4: Simplify right side
    497,667,589.20x = 209,012,441,404,670,272
  5. Step 5: Solve for x
    x = 209,012,441,404,670,272/497,667,589.20
  6. Step 6: Final answer
    x = 419,984,033.40

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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.