Home / 408,621,840.08-563,910,048-222,994,812.32

Finding the Fourth Proportional to 408,621,840.08, 563,910,048 and 222,994,812.32

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Solution

The fourth proportional to 408,621,840.08, 563,910,048 and 222,994,812.32 is: 307,739,339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,621,840.08 : 563,910,048 = 222,994,812.32 : x
  2. Step 2: Convert to fraction form
    408,621,840.08/563,910,048 = 222,994,812.32/x
  3. Step 3: Cross multiply
    408,621,840.08x = 563,910,048 × 222,994,812.32
  4. Step 4: Simplify right side
    408,621,840.08x = 125,749,015,319,122,192
  5. Step 5: Solve for x
    x = 125,749,015,319,122,192/408,621,840.08
  6. Step 6: Final answer
    x = 307,739,339.86

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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.