Home / 408,621,094.49-563,909,022.65-222,994,067.60

Finding the Fourth Proportional to 408,621,094.49, 563,909,022.65 and 222,994,067.60

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Solution

The fourth proportional to 408,621,094.49, 563,909,022.65 and 222,994,067.60 is: 307,738,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,621,094.49 : 563,909,022.65 = 222,994,067.60 : x
  2. Step 2: Convert to fraction form
    408,621,094.49/563,909,022.65 = 222,994,067.60/x
  3. Step 3: Cross multiply
    408,621,094.49x = 563,909,022.65 × 222,994,067.60
  4. Step 4: Simplify right side
    408,621,094.49x = 125,748,366,719,031,296
  5. Step 5: Solve for x
    x = 125,748,366,719,031,296/408,621,094.49
  6. Step 6: Final answer
    x = 307,738,314.09

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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.