Home / 981,080,681.76-1,471,073,670.32-325,675,778.08

Finding the Fourth Proportional to 981,080,681.76, 1,471,073,670.32 and 325,675,778.08

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Solution

The fourth proportional to 981,080,681.76, 1,471,073,670.32 and 325,675,778.08 is: 488,331,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,080,681.76 : 1,471,073,670.32 = 325,675,778.08 : x
  2. Step 2: Convert to fraction form
    981,080,681.76/1,471,073,670.32 = 325,675,778.08/x
  3. Step 3: Cross multiply
    981,080,681.76x = 1,471,073,670.32 × 325,675,778.08
  4. Step 4: Simplify right side
    981,080,681.76x = 479,093,062,194,467,328
  5. Step 5: Solve for x
    x = 479,093,062,194,467,328/981,080,681.76
  6. Step 6: Final answer
    x = 488,331,970.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.