Home / 681,998,940.83-941,156,768.14-380,581,092.02

Finding the Fourth Proportional to 681,998,940.83, 941,156,768.14 and 380,581,092.02

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Solution

The fourth proportional to 681,998,940.83, 941,156,768.14 and 380,581,092.02 is: 525,200,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,998,940.83 : 941,156,768.14 = 380,581,092.02 : x
  2. Step 2: Convert to fraction form
    681,998,940.83/941,156,768.14 = 380,581,092.02/x
  3. Step 3: Cross multiply
    681,998,940.83x = 941,156,768.14 × 380,581,092.02
  4. Step 4: Simplify right side
    681,998,940.83x = 358,186,470,580,735,104
  5. Step 5: Solve for x
    x = 358,186,470,580,735,104/681,998,940.83
  6. Step 6: Final answer
    x = 525,200,919.15

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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.