Home / 379,323,123.20-568,701,249.60-206,994,521.60

Finding the Fourth Proportional to 379,323,123.20, 568,701,249.60 and 206,994,521.60

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Solution

The fourth proportional to 379,323,123.20, 568,701,249.60 and 206,994,521.60 is: 310,337,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,323,123.20 : 568,701,249.60 = 206,994,521.60 : x
  2. Step 2: Convert to fraction form
    379,323,123.20/568,701,249.60 = 206,994,521.60/x
  3. Step 3: Cross multiply
    379,323,123.20x = 568,701,249.60 × 206,994,521.60
  4. Step 4: Simplify right side
    379,323,123.20x = 117,718,043,094,274,192
  5. Step 5: Solve for x
    x = 117,718,043,094,274,192/379,323,123.20
  6. Step 6: Final answer
    x = 310,337,113.39

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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.