Home / 492,046,401.60-679,025,251.26-269,042,489.28

Finding the Fourth Proportional to 492,046,401.60, 679,025,251.26 and 269,042,489.28

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Solution

The fourth proportional to 492,046,401.60, 679,025,251.26 and 269,042,489.28 is: 371,279,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,046,401.60 : 679,025,251.26 = 269,042,489.28 : x
  2. Step 2: Convert to fraction form
    492,046,401.60/679,025,251.26 = 269,042,489.28/x
  3. Step 3: Cross multiply
    492,046,401.60x = 679,025,251.26 × 269,042,489.28
  4. Step 4: Simplify right side
    492,046,401.60x = 182,686,643,882,967,840
  5. Step 5: Solve for x
    x = 182,686,643,882,967,840/492,046,401.60
  6. Step 6: Final answer
    x = 371,279,300.67

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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.