Home / 580,243,015.44-800,727,850.24-315,921,976.74

Finding the Fourth Proportional to 580,243,015.44, 800,727,850.24 and 315,921,976.74

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Solution

The fourth proportional to 580,243,015.44, 800,727,850.24 and 315,921,976.74 is: 435,968,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,243,015.44 : 800,727,850.24 = 315,921,976.74 : x
  2. Step 2: Convert to fraction form
    580,243,015.44/800,727,850.24 = 315,921,976.74/x
  3. Step 3: Cross multiply
    580,243,015.44x = 800,727,850.24 × 315,921,976.74
  4. Step 4: Simplify right side
    580,243,015.44x = 252,967,525,278,591,488
  5. Step 5: Solve for x
    x = 252,967,525,278,591,488/580,243,015.44
  6. Step 6: Final answer
    x = 435,968,238.39

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