Home / 436,734,137.20-655,101,205.80-207,151,625.20

Finding the Fourth Proportional to 436,734,137.20, 655,101,205.80 and 207,151,625.20

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Solution

The fourth proportional to 436,734,137.20, 655,101,205.80 and 207,151,625.20 is: 310,727,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,734,137.20 : 655,101,205.80 = 207,151,625.20 : x
  2. Step 2: Convert to fraction form
    436,734,137.20/655,101,205.80 = 207,151,625.20/x
  3. Step 3: Cross multiply
    436,734,137.20x = 655,101,205.80 × 207,151,625.20
  4. Step 4: Simplify right side
    436,734,137.20x = 135,705,279,451,949,648
  5. Step 5: Solve for x
    x = 135,705,279,451,949,648/436,734,137.20
  6. Step 6: Final answer
    x = 310,727,437.80

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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.