Home / 347,738,766.80-521,608,150.20-311,459,061.20

Finding the Fourth Proportional to 347,738,766.80, 521,608,150.20 and 311,459,061.20

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Solution

The fourth proportional to 347,738,766.80, 521,608,150.20 and 311,459,061.20 is: 467,188,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,738,766.80 : 521,608,150.20 = 311,459,061.20 : x
  2. Step 2: Convert to fraction form
    347,738,766.80/521,608,150.20 = 311,459,061.20/x
  3. Step 3: Cross multiply
    347,738,766.80x = 521,608,150.20 × 311,459,061.20
  4. Step 4: Simplify right side
    347,738,766.80x = 162,459,584,775,560,576
  5. Step 5: Solve for x
    x = 162,459,584,775,560,576/347,738,766.80
  6. Step 6: Final answer
    x = 467,188,591.80

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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.