Home / 449,737,087.64-620,638,847.53-261,610,521.44

Finding the Fourth Proportional to 449,737,087.64, 620,638,847.53 and 261,610,521.44

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Solution

The fourth proportional to 449,737,087.64, 620,638,847.53 and 261,610,521.44 is: 361,023,489.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,737,087.64 : 620,638,847.53 = 261,610,521.44 : x
  2. Step 2: Convert to fraction form
    449,737,087.64/620,638,847.53 = 261,610,521.44/x
  3. Step 3: Cross multiply
    449,737,087.64x = 620,638,847.53 × 261,610,521.44
  4. Step 4: Simplify right side
    449,737,087.64x = 162,365,652,524,486,752
  5. Step 5: Solve for x
    x = 162,365,652,524,486,752/449,737,087.64
  6. Step 6: Final answer
    x = 361,023,489.03

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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.