Home / 263,313,981.28-363,617,550.12-197,119,559.80

Finding the Fourth Proportional to 263,313,981.28, 363,617,550.12 and 197,119,559.80

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Solution

The fourth proportional to 263,313,981.28, 363,617,550.12 and 197,119,559.80 is: 272,207,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,313,981.28 : 363,617,550.12 = 197,119,559.80 : x
  2. Step 2: Convert to fraction form
    263,313,981.28/363,617,550.12 = 197,119,559.80/x
  3. Step 3: Cross multiply
    263,313,981.28x = 363,617,550.12 × 197,119,559.80
  4. Step 4: Simplify right side
    263,313,981.28x = 71,676,131,415,208,840
  5. Step 5: Solve for x
    x = 71,676,131,415,208,840/263,313,981.28
  6. Step 6: Final answer
    x = 272,207,845.05

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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.