Home / 432,879,737.90-649,086,023.50-196,400,191.73

Finding the Fourth Proportional to 432,879,737.90, 649,086,023.50 and 196,400,191.73

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Solution

The fourth proportional to 432,879,737.90, 649,086,023.50 and 196,400,191.73 is: 294,494,309.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,879,737.90 : 649,086,023.50 = 196,400,191.73 : x
  2. Step 2: Convert to fraction form
    432,879,737.90/649,086,023.50 = 196,400,191.73/x
  3. Step 3: Cross multiply
    432,879,737.90x = 649,086,023.50 × 196,400,191.73
  4. Step 4: Simplify right side
    432,879,737.90x = 127,480,619,460,926,832
  5. Step 5: Solve for x
    x = 127,480,619,460,926,832/432,879,737.90
  6. Step 6: Final answer
    x = 294,494,309.39

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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.