Home / 792,856,943.38-1,188,063,100.77-424,440,784.54

Finding the Fourth Proportional to 792,856,943.38, 1,188,063,100.77 and 424,440,784.54

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Solution

The fourth proportional to 792,856,943.38, 1,188,063,100.77 and 424,440,784.54 is: 636,006,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,856,943.38 : 1,188,063,100.77 = 424,440,784.54 : x
  2. Step 2: Convert to fraction form
    792,856,943.38/1,188,063,100.77 = 424,440,784.54/x
  3. Step 3: Cross multiply
    792,856,943.38x = 1,188,063,100.77 × 424,440,784.54
  4. Step 4: Simplify right side
    792,856,943.38x = 504,262,434,573,843,904
  5. Step 5: Solve for x
    x = 504,262,434,573,843,904/792,856,943.38
  6. Step 6: Final answer
    x = 636,006,834.25

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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.