Home / 629,799,380.20-944,006,228.70-220,644,922.60

Finding the Fourth Proportional to 629,799,380.20, 944,006,228.70 and 220,644,922.60

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Solution

The fourth proportional to 629,799,380.20, 944,006,228.70 and 220,644,922.60 is: 330,724,652.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,799,380.20 : 944,006,228.70 = 220,644,922.60 : x
  2. Step 2: Convert to fraction form
    629,799,380.20/944,006,228.70 = 220,644,922.60/x
  3. Step 3: Cross multiply
    629,799,380.20x = 944,006,228.70 × 220,644,922.60
  4. Step 4: Simplify right side
    629,799,380.20x = 208,290,181,265,429,408
  5. Step 5: Solve for x
    x = 208,290,181,265,429,408/629,799,380.20
  6. Step 6: Final answer
    x = 330,724,652.67

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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.