Home / 354,667,336.70-489,438,002.42-193,731,453.24

Finding the Fourth Proportional to 354,667,336.70, 489,438,002.42 and 193,731,453.24

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Solution

The fourth proportional to 354,667,336.70, 489,438,002.42 and 193,731,453.24 is: 267,347,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,667,336.70 : 489,438,002.42 = 193,731,453.24 : x
  2. Step 2: Convert to fraction form
    354,667,336.70/489,438,002.42 = 193,731,453.24/x
  3. Step 3: Cross multiply
    354,667,336.70x = 489,438,002.42 × 193,731,453.24
  4. Step 4: Simplify right side
    354,667,336.70x = 94,819,535,478,720,448
  5. Step 5: Solve for x
    x = 94,819,535,478,720,448/354,667,336.70
  6. Step 6: Final answer
    x = 267,347,809.25

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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.