Home / 299,609,610.40-449,414,415.60-192,114,186.40

Finding the Fourth Proportional to 299,609,610.40, 449,414,415.60 and 192,114,186.40

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Solution

The fourth proportional to 299,609,610.40, 449,414,415.60 and 192,114,186.40 is: 288,171,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,609,610.40 : 449,414,415.60 = 192,114,186.40 : x
  2. Step 2: Convert to fraction form
    299,609,610.40/449,414,415.60 = 192,114,186.40/x
  3. Step 3: Cross multiply
    299,609,610.40x = 449,414,415.60 × 192,114,186.40
  4. Step 4: Simplify right side
    299,609,610.40x = 86,338,884,809,425,472
  5. Step 5: Solve for x
    x = 86,338,884,809,425,472/299,609,610.40
  6. Step 6: Final answer
    x = 288,171,279.60

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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.