Home / 392,334,620.70-587,494,161.45-311,041,206.30

Finding the Fourth Proportional to 392,334,620.70, 587,494,161.45 and 311,041,206.30

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Solution

The fourth proportional to 392,334,620.70, 587,494,161.45 and 311,041,206.30 is: 465,762,854.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,334,620.70 : 587,494,161.45 = 311,041,206.30 : x
  2. Step 2: Convert to fraction form
    392,334,620.70/587,494,161.45 = 311,041,206.30/x
  3. Step 3: Cross multiply
    392,334,620.70x = 587,494,161.45 × 311,041,206.30
  4. Step 4: Simplify right side
    392,334,620.70x = 182,734,892,671,614,976
  5. Step 5: Solve for x
    x = 182,734,892,671,614,976/392,334,620.70
  6. Step 6: Final answer
    x = 465,762,854.03

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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.