Home / 299,559,986.60-449,339,979.90-248,499,660.20

Finding the Fourth Proportional to 299,559,986.60, 449,339,979.90 and 248,499,660.20

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Solution

The fourth proportional to 299,559,986.60, 449,339,979.90 and 248,499,660.20 is: 372,749,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,559,986.60 : 449,339,979.90 = 248,499,660.20 : x
  2. Step 2: Convert to fraction form
    299,559,986.60/449,339,979.90 = 248,499,660.20/x
  3. Step 3: Cross multiply
    299,559,986.60x = 449,339,979.90 × 248,499,660.20
  4. Step 4: Simplify right side
    299,559,986.60x = 111,660,832,319,424,816
  5. Step 5: Solve for x
    x = 111,660,832,319,424,816/299,559,986.60
  6. Step 6: Final answer
    x = 372,749,490.30

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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.