Home / 284,309,997.60-392,408,413.20-195,123,943.20

Finding the Fourth Proportional to 284,309,997.60, 392,408,413.20 and 195,123,943.20

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Solution

The fourth proportional to 284,309,997.60, 392,408,413.20 and 195,123,943.20 is: 269,312,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,309,997.60 : 392,408,413.20 = 195,123,943.20 : x
  2. Step 2: Convert to fraction form
    284,309,997.60/392,408,413.20 = 195,123,943.20/x
  3. Step 3: Cross multiply
    284,309,997.60x = 392,408,413.20 × 195,123,943.20
  4. Step 4: Simplify right side
    284,309,997.60x = 76,568,276,928,438,928
  5. Step 5: Solve for x
    x = 76,568,276,928,438,928/284,309,997.60
  6. Step 6: Final answer
    x = 269,312,643.15

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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.