Home / 810,213,727.41-1,215,320,605.70-196,793,819.73

Finding the Fourth Proportional to 810,213,727.41, 1,215,320,605.70 and 196,793,819.73

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Solution

The fourth proportional to 810,213,727.41, 1,215,320,605.70 and 196,793,819.73 is: 295,190,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,213,727.41 : 1,215,320,605.70 = 196,793,819.73 : x
  2. Step 2: Convert to fraction form
    810,213,727.41/1,215,320,605.70 = 196,793,819.73/x
  3. Step 3: Cross multiply
    810,213,727.41x = 1,215,320,605.70 × 196,793,819.73
  4. Step 4: Simplify right side
    810,213,727.41x = 239,167,584,191,296,224
  5. Step 5: Solve for x
    x = 239,167,584,191,296,224/810,213,727.41
  6. Step 6: Final answer
    x = 295,190,733.14

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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.