Home / 521,772,940.20-782,659,410.30-496,263,772.20

Finding the Fourth Proportional to 521,772,940.20, 782,659,410.30 and 496,263,772.20

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Solution

The fourth proportional to 521,772,940.20, 782,659,410.30 and 496,263,772.20 is: 744,395,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,772,940.20 : 782,659,410.30 = 496,263,772.20 : x
  2. Step 2: Convert to fraction form
    521,772,940.20/782,659,410.30 = 496,263,772.20/x
  3. Step 3: Cross multiply
    521,772,940.20x = 782,659,410.30 × 496,263,772.20
  4. Step 4: Simplify right side
    521,772,940.20x = 388,405,511,303,305,472
  5. Step 5: Solve for x
    x = 388,405,511,303,305,472/521,772,940.20
  6. Step 6: Final answer
    x = 744,395,658.30

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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.