Home / 299,901,674.27-449,872,249.53-78,578,433.38

Finding the Fourth Proportional to 299,901,674.27, 449,872,249.53 and 78,578,433.38

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Solution

The fourth proportional to 299,901,674.27, 449,872,249.53 and 78,578,433.38 is: 117,872,821.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,901,674.27 : 449,872,249.53 = 78,578,433.38 : x
  2. Step 2: Convert to fraction form
    299,901,674.27/449,872,249.53 = 78,578,433.38/x
  3. Step 3: Cross multiply
    299,901,674.27x = 449,872,249.53 × 78,578,433.38
  4. Step 4: Simplify right side
    299,901,674.27x = 35,350,256,588,671,408
  5. Step 5: Solve for x
    x = 35,350,256,588,671,408/299,901,674.27
  6. Step 6: Final answer
    x = 117,872,821.73

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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.