Home / 366,615,790.87-505,932,423.31-199,350,853.51

Finding the Fourth Proportional to 366,615,790.87, 505,932,423.31 and 199,350,853.51

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Solution

The fourth proportional to 366,615,790.87, 505,932,423.31 and 199,350,853.51 is: 275,105,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,615,790.87 : 505,932,423.31 = 199,350,853.51 : x
  2. Step 2: Convert to fraction form
    366,615,790.87/505,932,423.31 = 199,350,853.51/x
  3. Step 3: Cross multiply
    366,615,790.87x = 505,932,423.31 × 199,350,853.51
  4. Step 4: Simplify right side
    366,615,790.87x = 100,858,060,401,704,704
  5. Step 5: Solve for x
    x = 100,858,060,401,704,704/366,615,790.87
  6. Step 6: Final answer
    x = 275,105,608.96

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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.