Home / 449,737,089.64-620,638,850.28-261,610,523.44

Finding the Fourth Proportional to 449,737,089.64, 620,638,850.28 and 261,610,523.44

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Solution

The fourth proportional to 449,737,089.64, 620,638,850.28 and 261,610,523.44 is: 361,023,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,737,089.64 : 620,638,850.28 = 261,610,523.44 : x
  2. Step 2: Convert to fraction form
    449,737,089.64/620,638,850.28 = 261,610,523.44/x
  3. Step 3: Cross multiply
    449,737,089.64x = 620,638,850.28 × 261,610,523.44
  4. Step 4: Simplify right side
    449,737,089.64x = 162,365,654,488,950,592
  5. Step 5: Solve for x
    x = 162,365,654,488,950,592/449,737,089.64
  6. Step 6: Final answer
    x = 361,023,491.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.