Home / 263,819,004,002.78-395,728,506,004.20-263,819,004,002.78

Finding the Fourth Proportional to 263,819,004,002.78, 395,728,506,004.20 and 263,819,004,002.78

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Solution

The fourth proportional to 263,819,004,002.78, 395,728,506,004.20 and 263,819,004,002.78 is: 395,728,506,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,819,004,002.78 : 395,728,506,004.20 = 263,819,004,002.78 : x
  2. Step 2: Convert to fraction form
    263,819,004,002.78/395,728,506,004.20 = 263,819,004,002.78/x
  3. Step 3: Cross multiply
    263,819,004,002.78x = 395,728,506,004.20 × 263,819,004,002.78
  4. Step 4: Simplify right side
    263,819,004,002.78x = 104,400,700,309,536,195,477,504
  5. Step 5: Solve for x
    x = 104,400,700,309,536,195,477,504/263,819,004,002.78
  6. Step 6: Final answer
    x = 395,728,506,004.20

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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.