Home / 263,313,981.78-363,617,550.81-197,119,560.30

Finding the Fourth Proportional to 263,313,981.78, 363,617,550.81 and 197,119,560.30

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Solution

The fourth proportional to 263,313,981.78, 363,617,550.81 and 197,119,560.30 is: 272,207,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,313,981.78 : 363,617,550.81 = 197,119,560.30 : x
  2. Step 2: Convert to fraction form
    263,313,981.78/363,617,550.81 = 197,119,560.30/x
  3. Step 3: Cross multiply
    263,313,981.78x = 363,617,550.81 × 197,119,560.30
  4. Step 4: Simplify right side
    263,313,981.78x = 71,676,131,733,030,112
  5. Step 5: Solve for x
    x = 71,676,131,733,030,112/263,313,981.78
  6. Step 6: Final answer
    x = 272,207,845.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.