Home / 681,998,940.33-941,156,767.45-380,581,091.52

Finding the Fourth Proportional to 681,998,940.33, 941,156,767.45 and 380,581,091.52

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Solution

The fourth proportional to 681,998,940.33, 941,156,767.45 and 380,581,091.52 is: 525,200,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,998,940.33 : 941,156,767.45 = 380,581,091.52 : x
  2. Step 2: Convert to fraction form
    681,998,940.33/941,156,767.45 = 380,581,091.52/x
  3. Step 3: Cross multiply
    681,998,940.33x = 941,156,767.45 × 380,581,091.52
  4. Step 4: Simplify right side
    681,998,940.33x = 358,186,469,847,555,776
  5. Step 5: Solve for x
    x = 358,186,469,847,555,776/681,998,940.33
  6. Step 6: Final answer
    x = 525,200,918.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.