Home / 981,397,008,053.70-1,472,095,512,080.50-646,390,206,543.30

Finding the Fourth Proportional to 981,397,008,053.70, 1,472,095,512,080.50 and 646,390,206,543.30

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Solution

The fourth proportional to 981,397,008,053.70, 1,472,095,512,080.50 and 646,390,206,543.30 is: 969,585,309,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,397,008,053.70 : 1,472,095,512,080.50 = 646,390,206,543.30 : x
  2. Step 2: Convert to fraction form
    981,397,008,053.70/1,472,095,512,080.50 = 646,390,206,543.30/x
  3. Step 3: Cross multiply
    981,397,008,053.70x = 1,472,095,512,080.50 × 646,390,206,543.30
  4. Step 4: Simplify right side
    981,397,008,053.70x = 951,548,122,105,179,503,853,568
  5. Step 5: Solve for x
    x = 951,548,122,105,179,503,853,568/981,397,008,053.70
  6. Step 6: Final answer
    x = 969,585,309,814.92

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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.