Home / 981,397,008,045.45-1,472,095,512,068.20-646,390,206,535.05

Finding the Fourth Proportional to 981,397,008,045.45, 1,472,095,512,068.20 and 646,390,206,535.05

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Solution

The fourth proportional to 981,397,008,045.45, 1,472,095,512,068.20 and 646,390,206,535.05 is: 969,585,309,802.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,397,008,045.45 : 1,472,095,512,068.20 = 646,390,206,535.05 : x
  2. Step 2: Convert to fraction form
    981,397,008,045.45/1,472,095,512,068.20 = 646,390,206,535.05/x
  3. Step 3: Cross multiply
    981,397,008,045.45x = 1,472,095,512,068.20 × 646,390,206,535.05
  4. Step 4: Simplify right side
    981,397,008,045.45x = 951,548,122,085,084,022,964,224
  5. Step 5: Solve for x
    x = 951,548,122,085,084,022,964,224/981,397,008,045.45
  6. Step 6: Final answer
    x = 969,585,309,802.59

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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.