Home / 660,072,726,519.36-990,107,853,883.38-206,826,328,656.18

Finding the Fourth Proportional to 660,072,726,519.36, 990,107,853,883.38 and 206,826,328,656.18

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Solution

The fourth proportional to 660,072,726,519.36, 990,107,853,883.38 and 206,826,328,656.18 is: 310,239,105,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,072,726,519.36 : 990,107,853,883.38 = 206,826,328,656.18 : x
  2. Step 2: Convert to fraction form
    660,072,726,519.36/990,107,853,883.38 = 206,826,328,656.18/x
  3. Step 3: Cross multiply
    660,072,726,519.36x = 990,107,853,883.38 × 206,826,328,656.18
  4. Step 4: Simplify right side
    660,072,726,519.36x = 204,780,372,392,348,976,414,720
  5. Step 5: Solve for x
    x = 204,780,372,392,348,976,414,720/660,072,726,519.36
  6. Step 6: Final answer
    x = 310,239,105,730.33

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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.