Home / 822,082,874.76-1,233,062,291.86-261,822,063.83

Finding the Fourth Proportional to 822,082,874.76, 1,233,062,291.86 and 261,822,063.83

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Solution

The fourth proportional to 822,082,874.76, 1,233,062,291.86 and 261,822,063.83 is: 392,713,343.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,082,874.76 : 1,233,062,291.86 = 261,822,063.83 : x
  2. Step 2: Convert to fraction form
    822,082,874.76/1,233,062,291.86 = 261,822,063.83/x
  3. Step 3: Cross multiply
    822,082,874.76x = 1,233,062,291.86 × 261,822,063.83
  4. Step 4: Simplify right side
    822,082,874.76x = 322,842,914,078,915,136
  5. Step 5: Solve for x
    x = 322,842,914,078,915,136/822,082,874.76
  6. Step 6: Final answer
    x = 392,713,343.13

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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.