Home / 492,046,429.60-679,025,289.63-269,042,517.28

Finding the Fourth Proportional to 492,046,429.60, 679,025,289.63 and 269,042,517.28

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Solution

The fourth proportional to 492,046,429.60, 679,025,289.63 and 269,042,517.28 is: 371,279,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,046,429.60 : 679,025,289.63 = 269,042,517.28 : x
  2. Step 2: Convert to fraction form
    492,046,429.60/679,025,289.63 = 269,042,517.28/x
  3. Step 3: Cross multiply
    492,046,429.60x = 679,025,289.63 × 269,042,517.28
  4. Step 4: Simplify right side
    492,046,429.60x = 182,686,673,218,836,256
  5. Step 5: Solve for x
    x = 182,686,673,218,836,256/492,046,429.60
  6. Step 6: Final answer
    x = 371,279,339.16

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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.