Home / 247,788,512.20-371,682,768.30-207,477,728.20

Finding the Fourth Proportional to 247,788,512.20, 371,682,768.30 and 207,477,728.20

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Solution

The fourth proportional to 247,788,512.20, 371,682,768.30 and 207,477,728.20 is: 311,216,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,788,512.20 : 371,682,768.30 = 207,477,728.20 : x
  2. Step 2: Convert to fraction form
    247,788,512.20/371,682,768.30 = 207,477,728.20/x
  3. Step 3: Cross multiply
    247,788,512.20x = 371,682,768.30 × 207,477,728.20
  4. Step 4: Simplify right side
    247,788,512.20x = 77,115,896,377,970,976
  5. Step 5: Solve for x
    x = 77,115,896,377,970,976/247,788,512.20
  6. Step 6: Final answer
    x = 311,216,592.30

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1.5x scale

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.