Home / 767,235,625.20-1,149,530,740.20-357,451,311.60

Finding the Fourth Proportional to 767,235,625.20, 1,149,530,740.20 and 357,451,311.60

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Solution

The fourth proportional to 767,235,625.20, 1,149,530,740.20 and 357,451,311.60 is: 535,560,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,235,625.20 : 1,149,530,740.20 = 357,451,311.60 : x
  2. Step 2: Convert to fraction form
    767,235,625.20/1,149,530,740.20 = 357,451,311.60/x
  3. Step 3: Cross multiply
    767,235,625.20x = 1,149,530,740.20 × 357,451,311.60
  4. Step 4: Simplify right side
    767,235,625.20x = 410,901,270,809,008,896
  5. Step 5: Solve for x
    x = 410,901,270,809,008,896/767,235,625.20
  6. Step 6: Final answer
    x = 535,560,729.08

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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.