Home / 408,621,415.83-563,909,462.60-222,994,388.31

Finding the Fourth Proportional to 408,621,415.83, 563,909,462.60 and 222,994,388.31

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Solution

The fourth proportional to 408,621,415.83, 563,909,462.60 and 222,994,388.31 is: 307,738,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,621,415.83 : 563,909,462.60 = 222,994,388.31 : x
  2. Step 2: Convert to fraction form
    408,621,415.83/563,909,462.60 = 222,994,388.31/x
  3. Step 3: Cross multiply
    408,621,415.83x = 563,909,462.60 × 222,994,388.31
  4. Step 4: Simplify right side
    408,621,415.83x = 125,748,645,673,592,864
  5. Step 5: Solve for x
    x = 125,748,645,673,592,864/408,621,415.83
  6. Step 6: Final answer
    x = 307,738,754.75

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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.