Home / 347,680,014.40-521,520,021.60-342,578,180.80

Finding the Fourth Proportional to 347,680,014.40, 521,520,021.60 and 342,578,180.80

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Solution

The fourth proportional to 347,680,014.40, 521,520,021.60 and 342,578,180.80 is: 513,867,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,014.40 : 521,520,021.60 = 342,578,180.80 : x
  2. Step 2: Convert to fraction form
    347,680,014.40/521,520,021.60 = 342,578,180.80/x
  3. Step 3: Cross multiply
    347,680,014.40x = 521,520,021.60 × 342,578,180.80
  4. Step 4: Simplify right side
    347,680,014.40x = 178,661,380,250,504,704
  5. Step 5: Solve for x
    x = 178,661,380,250,504,704/347,680,014.40
  6. Step 6: Final answer
    x = 513,867,271.20

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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.