Home / 451,138,374.75-622,570,957.16-255,568,086.75

Finding the Fourth Proportional to 451,138,374.75, 622,570,957.16 and 255,568,086.75

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Solution

The fourth proportional to 451,138,374.75, 622,570,957.16 and 255,568,086.75 is: 352,683,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,138,374.75 : 622,570,957.16 = 255,568,086.75 : x
  2. Step 2: Convert to fraction form
    451,138,374.75/622,570,957.16 = 255,568,086.75/x
  3. Step 3: Cross multiply
    451,138,374.75x = 622,570,957.16 × 255,568,086.75
  4. Step 4: Simplify right side
    451,138,374.75x = 159,109,268,387,497,408
  5. Step 5: Solve for x
    x = 159,109,268,387,497,408/451,138,374.75
  6. Step 6: Final answer
    x = 352,683,959.72

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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.