Home / 981,397,008,047.70-1,472,095,512,071.50-646,390,206,537.30

Finding the Fourth Proportional to 981,397,008,047.70, 1,472,095,512,071.50 and 646,390,206,537.30

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Solution

The fourth proportional to 981,397,008,047.70, 1,472,095,512,071.50 and 646,390,206,537.30 is: 969,585,309,805.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,397,008,047.70 : 1,472,095,512,071.50 = 646,390,206,537.30 : x
  2. Step 2: Convert to fraction form
    981,397,008,047.70/1,472,095,512,071.50 = 646,390,206,537.30/x
  3. Step 3: Cross multiply
    981,397,008,047.70x = 1,472,095,512,071.50 × 646,390,206,537.30
  4. Step 4: Simplify right side
    981,397,008,047.70x = 951,548,122,090,529,370,406,912
  5. Step 5: Solve for x
    x = 951,548,122,090,529,370,406,912/981,397,008,047.70
  6. Step 6: Final answer
    x = 969,585,309,805.92

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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.