Home / 674,615,040.98-930,951,270.20-373,211,487.86

Finding the Fourth Proportional to 674,615,040.98, 930,951,270.20 and 373,211,487.86

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Solution

The fourth proportional to 674,615,040.98, 930,951,270.20 and 373,211,487.86 is: 515,022,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,615,040.98 : 930,951,270.20 = 373,211,487.86 : x
  2. Step 2: Convert to fraction form
    674,615,040.98/930,951,270.20 = 373,211,487.86/x
  3. Step 3: Cross multiply
    674,615,040.98x = 930,951,270.20 × 373,211,487.86
  4. Step 4: Simplify right side
    674,615,040.98x = 347,441,708,676,498,880
  5. Step 5: Solve for x
    x = 347,441,708,676,498,880/674,615,040.98
  6. Step 6: Final answer
    x = 515,022,179.42

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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.