Home / 681,439,352.23-940,384,447.37-380,024,991.14

Finding the Fourth Proportional to 681,439,352.23, 940,384,447.37 and 380,024,991.14

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Solution

The fourth proportional to 681,439,352.23, 940,384,447.37 and 380,024,991.14 is: 524,433,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,439,352.23 : 940,384,447.37 = 380,024,991.14 : x
  2. Step 2: Convert to fraction form
    681,439,352.23/940,384,447.37 = 380,024,991.14/x
  3. Step 3: Cross multiply
    681,439,352.23x = 940,384,447.37 × 380,024,991.14
  4. Step 4: Simplify right side
    681,439,352.23x = 357,369,591,279,726,144
  5. Step 5: Solve for x
    x = 357,369,591,279,726,144/681,439,352.23
  6. Step 6: Final answer
    x = 524,433,451.21

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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.