Home / 810,213,736.41-1,215,320,619.20-196,793,828.73

Finding the Fourth Proportional to 810,213,736.41, 1,215,320,619.20 and 196,793,828.73

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Solution

The fourth proportional to 810,213,736.41, 1,215,320,619.20 and 196,793,828.73 is: 295,190,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,213,736.41 : 1,215,320,619.20 = 196,793,828.73 : x
  2. Step 2: Convert to fraction form
    810,213,736.41/1,215,320,619.20 = 196,793,828.73/x
  3. Step 3: Cross multiply
    810,213,736.41x = 1,215,320,619.20 × 196,793,828.73
  4. Step 4: Simplify right side
    810,213,736.41x = 239,167,597,785,898,368
  5. Step 5: Solve for x
    x = 239,167,597,785,898,368/810,213,736.41
  6. Step 6: Final answer
    x = 295,190,746.64

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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.