Home / 862,891,960.86-1,294,330,134.54-272,682,297.48

Finding the Fourth Proportional to 862,891,960.86, 1,294,330,134.54 and 272,682,297.48

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Solution

The fourth proportional to 862,891,960.86, 1,294,330,134.54 and 272,682,297.48 is: 409,020,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,891,960.86 : 1,294,330,134.54 = 272,682,297.48 : x
  2. Step 2: Convert to fraction form
    862,891,960.86/1,294,330,134.54 = 272,682,297.48/x
  3. Step 3: Cross multiply
    862,891,960.86x = 1,294,330,134.54 × 272,682,297.48
  4. Step 4: Simplify right side
    862,891,960.86x = 352,940,914,783,964,736
  5. Step 5: Solve for x
    x = 352,940,914,783,964,736/862,891,960.86
  6. Step 6: Final answer
    x = 409,020,979.21

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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.