Home / 268,287,412,668.54-402,388,471,440.09-89,198,503,634.94

Finding the Fourth Proportional to 268,287,412,668.54, 402,388,471,440.09 and 89,198,503,634.94

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Solution

The fourth proportional to 268,287,412,668.54, 402,388,471,440.09 and 89,198,503,634.94 is: 133,783,576,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,287,412,668.54 : 402,388,471,440.09 = 89,198,503,634.94 : x
  2. Step 2: Convert to fraction form
    268,287,412,668.54/402,388,471,440.09 = 89,198,503,634.94/x
  3. Step 3: Cross multiply
    268,287,412,668.54x = 402,388,471,440.09 × 89,198,503,634.94
  4. Step 4: Simplify right side
    268,287,412,668.54x = 35,892,449,532,406,822,600,704
  5. Step 5: Solve for x
    x = 35,892,449,532,406,822,600,704/268,287,412,668.54
  6. Step 6: Final answer
    x = 133,783,576,260.25

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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.