Home / 629,860,820.40-944,791,230.60-169,845,490.80

Finding the Fourth Proportional to 629,860,820.40, 944,791,230.60 and 169,845,490.80

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Solution

The fourth proportional to 629,860,820.40, 944,791,230.60 and 169,845,490.80 is: 254,768,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,860,820.40 : 944,791,230.60 = 169,845,490.80 : x
  2. Step 2: Convert to fraction form
    629,860,820.40/944,791,230.60 = 169,845,490.80/x
  3. Step 3: Cross multiply
    629,860,820.40x = 944,791,230.60 × 169,845,490.80
  4. Step 4: Simplify right side
    629,860,820.40x = 160,468,530,264,792,992
  5. Step 5: Solve for x
    x = 160,468,530,264,792,992/629,860,820.40
  6. Step 6: Final answer
    x = 254,768,236.20

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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.