Home / 489,414,278.08-675,409,523.78-266,385,179.82

Finding the Fourth Proportional to 489,414,278.08, 675,409,523.78 and 266,385,179.82

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Solution

The fourth proportional to 489,414,278.08, 675,409,523.78 and 266,385,179.82 is: 367,621,247.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,414,278.08 : 675,409,523.78 = 266,385,179.82 : x
  2. Step 2: Convert to fraction form
    489,414,278.08/675,409,523.78 = 266,385,179.82/x
  3. Step 3: Cross multiply
    489,414,278.08x = 675,409,523.78 × 266,385,179.82
  4. Step 4: Simplify right side
    489,414,278.08x = 179,919,087,444,275,840
  5. Step 5: Solve for x
    x = 179,919,087,444,275,840/489,414,278.08
  6. Step 6: Final answer
    x = 367,621,247.48

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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.