Home / 299,206,056.80-449,145,008.40-231,349,570.40

Finding the Fourth Proportional to 299,206,056.80, 449,145,008.40 and 231,349,570.40

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Solution

The fourth proportional to 299,206,056.80, 449,145,008.40 and 231,349,570.40 is: 347,284,095.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,206,056.80 : 449,145,008.40 = 231,349,570.40 : x
  2. Step 2: Convert to fraction form
    299,206,056.80/449,145,008.40 = 231,349,570.40/x
  3. Step 3: Cross multiply
    299,206,056.80x = 449,145,008.40 × 231,349,570.40
  4. Step 4: Simplify right side
    299,206,056.80x = 103,909,504,740,644,384
  5. Step 5: Solve for x
    x = 103,909,504,740,644,384/299,206,056.80
  6. Step 6: Final answer
    x = 347,284,095.29

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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.