Home / 792,856,942.38-1,188,063,099.27-424,440,783.54

Finding the Fourth Proportional to 792,856,942.38, 1,188,063,099.27 and 424,440,783.54

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Solution

The fourth proportional to 792,856,942.38, 1,188,063,099.27 and 424,440,783.54 is: 636,006,832.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,856,942.38 : 1,188,063,099.27 = 424,440,783.54 : x
  2. Step 2: Convert to fraction form
    792,856,942.38/1,188,063,099.27 = 424,440,783.54/x
  3. Step 3: Cross multiply
    792,856,942.38x = 1,188,063,099.27 × 424,440,783.54
  4. Step 4: Simplify right side
    792,856,942.38x = 504,262,432,749,119,616
  5. Step 5: Solve for x
    x = 504,262,432,749,119,616/792,856,942.38
  6. Step 6: Final answer
    x = 636,006,832.75

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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.