Home / 829,762,812.80-1,244,707,204.80-247,451,609.60

Finding the Fourth Proportional to 829,762,812.80, 1,244,707,204.80 and 247,451,609.60

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Solution

The fourth proportional to 829,762,812.80, 1,244,707,204.80 and 247,451,609.60 is: 371,196,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,762,812.80 : 1,244,707,204.80 = 247,451,609.60 : x
  2. Step 2: Convert to fraction form
    829,762,812.80/1,244,707,204.80 = 247,451,609.60/x
  3. Step 3: Cross multiply
    829,762,812.80x = 1,244,707,204.80 × 247,451,609.60
  4. Step 4: Simplify right side
    829,762,812.80x = 308,004,801,308,476,800
  5. Step 5: Solve for x
    x = 308,004,801,308,476,800/829,762,812.80
  6. Step 6: Final answer
    x = 371,196,197.95

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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.