Home / 719,760,540,546.40-993,269,306,211.60-394,592,850,829.95

Finding the Fourth Proportional to 719,760,540,546.40, 993,269,306,211.60 and 394,592,850,829.95

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Solution

The fourth proportional to 719,760,540,546.40, 993,269,306,211.60 and 394,592,850,829.95 is: 544,538,002,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,760,540,546.40 : 993,269,306,211.60 = 394,592,850,829.95 : x
  2. Step 2: Convert to fraction form
    719,760,540,546.40/993,269,306,211.60 = 394,592,850,829.95/x
  3. Step 3: Cross multiply
    719,760,540,546.40x = 993,269,306,211.60 × 394,592,850,829.95
  4. Step 4: Simplify right side
    719,760,540,546.40x = 391,936,967,179,921,786,929,152
  5. Step 5: Solve for x
    x = 391,936,967,179,921,786,929,152/719,760,540,546.40
  6. Step 6: Final answer
    x = 544,538,002,711.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.