Home / 489,414,290.26-675,409,540.56-266,385,191.98

Finding the Fourth Proportional to 489,414,290.26, 675,409,540.56 and 266,385,191.98

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Solution

The fourth proportional to 489,414,290.26, 675,409,540.56 and 266,385,191.98 is: 367,621,264.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,414,290.26 : 675,409,540.56 = 266,385,191.98 : x
  2. Step 2: Convert to fraction form
    489,414,290.26/675,409,540.56 = 266,385,191.98/x
  3. Step 3: Cross multiply
    489,414,290.26x = 675,409,540.56 × 266,385,191.98
  4. Step 4: Simplify right side
    489,414,290.26x = 179,919,100,127,199,168
  5. Step 5: Solve for x
    x = 179,919,100,127,199,168/489,414,290.26
  6. Step 6: Final answer
    x = 367,621,264.25

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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.