Home / 621,295,052.62-857,405,394.18-339,055,716.82

Finding the Fourth Proportional to 621,295,052.62, 857,405,394.18 and 339,055,716.82

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Solution

The fourth proportional to 621,295,052.62, 857,405,394.18 and 339,055,716.82 is: 467,906,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,295,052.62 : 857,405,394.18 = 339,055,716.82 : x
  2. Step 2: Convert to fraction form
    621,295,052.62/857,405,394.18 = 339,055,716.82/x
  3. Step 3: Cross multiply
    621,295,052.62x = 857,405,394.18 × 339,055,716.82
  4. Step 4: Simplify right side
    621,295,052.62x = 290,708,200,529,034,560
  5. Step 5: Solve for x
    x = 290,708,200,529,034,560/621,295,052.62
  6. Step 6: Final answer
    x = 467,906,833.16

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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.