Home / 339,392,877.21-508,694,474.66-193,928,421.33

Finding the Fourth Proportional to 339,392,877.21, 508,694,474.66 and 193,928,421.33

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Solution

The fourth proportional to 339,392,877.21, 508,694,474.66 and 193,928,421.33 is: 290,667,020.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,392,877.21 : 508,694,474.66 = 193,928,421.33 : x
  2. Step 2: Convert to fraction form
    339,392,877.21/508,694,474.66 = 193,928,421.33/x
  3. Step 3: Cross multiply
    339,392,877.21x = 508,694,474.66 × 193,928,421.33
  4. Step 4: Simplify right side
    339,392,877.21x = 98,650,316,409,137,840
  5. Step 5: Solve for x
    x = 98,650,316,409,137,840/339,392,877.21
  6. Step 6: Final answer
    x = 290,667,020.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.