Home / 719,760,540,558.42-993,269,306,228.18-394,592,850,841.92

Finding the Fourth Proportional to 719,760,540,558.42, 993,269,306,228.18 and 394,592,850,841.92

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Solution

The fourth proportional to 719,760,540,558.42, 993,269,306,228.18 and 394,592,850,841.92 is: 544,538,002,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,760,540,558.42 : 993,269,306,228.18 = 394,592,850,841.92 : x
  2. Step 2: Convert to fraction form
    719,760,540,558.42/993,269,306,228.18 = 394,592,850,841.92/x
  3. Step 3: Cross multiply
    719,760,540,558.42x = 993,269,306,228.18 × 394,592,850,841.92
  4. Step 4: Simplify right side
    719,760,540,558.42x = 391,936,967,198,353,571,971,072
  5. Step 5: Solve for x
    x = 391,936,967,198,353,571,971,072/719,760,540,558.42
  6. Step 6: Final answer
    x = 544,538,002,728.34

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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.