Home / 774,796,093.52-1,069,209,772.97-422,364,309.44

Finding the Fourth Proportional to 774,796,093.52, 1,069,209,772.97 and 422,364,309.44

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Solution

The fourth proportional to 774,796,093.52, 1,069,209,772.97 and 422,364,309.44 is: 582,857,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,796,093.52 : 1,069,209,772.97 = 422,364,309.44 : x
  2. Step 2: Convert to fraction form
    774,796,093.52/1,069,209,772.97 = 422,364,309.44/x
  3. Step 3: Cross multiply
    774,796,093.52x = 1,069,209,772.97 × 422,364,309.44
  4. Step 4: Simplify right side
    774,796,093.52x = 451,596,047,399,515,392
  5. Step 5: Solve for x
    x = 451,596,047,399,515,392/774,796,093.52
  6. Step 6: Final answer
    x = 582,857,930.21

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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.