Home / 981,397,008,078.20-1,472,095,512,117.30-646,390,206,567.80

Finding the Fourth Proportional to 981,397,008,078.20, 1,472,095,512,117.30 and 646,390,206,567.80

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Solution

The fourth proportional to 981,397,008,078.20, 1,472,095,512,117.30 and 646,390,206,567.80 is: 969,585,309,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,397,008,078.20 : 1,472,095,512,117.30 = 646,390,206,567.80 : x
  2. Step 2: Convert to fraction form
    981,397,008,078.20/1,472,095,512,117.30 = 646,390,206,567.80/x
  3. Step 3: Cross multiply
    981,397,008,078.20x = 1,472,095,512,117.30 × 646,390,206,567.80
  4. Step 4: Simplify right side
    981,397,008,078.20x = 951,548,122,165,032,960,131,072
  5. Step 5: Solve for x
    x = 951,548,122,165,032,960,131,072/981,397,008,078.20
  6. Step 6: Final answer
    x = 969,585,309,851.70

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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.