Home / 351,755,998.40-527,633,997.60-299,603,921.60

Finding the Fourth Proportional to 351,755,998.40, 527,633,997.60 and 299,603,921.60

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Solution

The fourth proportional to 351,755,998.40, 527,633,997.60 and 299,603,921.60 is: 449,405,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,755,998.40 : 527,633,997.60 = 299,603,921.60 : x
  2. Step 2: Convert to fraction form
    351,755,998.40/527,633,997.60 = 299,603,921.60/x
  3. Step 3: Cross multiply
    351,755,998.40x = 527,633,997.60 × 299,603,921.60
  4. Step 4: Simplify right side
    351,755,998.40x = 158,081,214,850,444,992
  5. Step 5: Solve for x
    x = 158,081,214,850,444,992/351,755,998.40
  6. Step 6: Final answer
    x = 449,405,882.40

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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.