Home / 354,667,339.23-489,438,005.92-193,731,455.77

Finding the Fourth Proportional to 354,667,339.23, 489,438,005.92 and 193,731,455.77

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Solution

The fourth proportional to 354,667,339.23, 489,438,005.92 and 193,731,455.77 is: 267,347,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,667,339.23 : 489,438,005.92 = 193,731,455.77 : x
  2. Step 2: Convert to fraction form
    354,667,339.23/489,438,005.92 = 193,731,455.77/x
  3. Step 3: Cross multiply
    354,667,339.23x = 489,438,005.92 × 193,731,455.77
  4. Step 4: Simplify right side
    354,667,339.23x = 94,819,537,394,339,568
  5. Step 5: Solve for x
    x = 94,819,537,394,339,568/354,667,339.23
  6. Step 6: Final answer
    x = 267,347,812.75

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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.