Home / 408,621,856.08-563,910,070.08-222,994,828.32

Finding the Fourth Proportional to 408,621,856.08, 563,910,070.08 and 222,994,828.32

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Solution

The fourth proportional to 408,621,856.08, 563,910,070.08 and 222,994,828.32 is: 307,739,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,621,856.08 : 563,910,070.08 = 222,994,828.32 : x
  2. Step 2: Convert to fraction form
    408,621,856.08/563,910,070.08 = 222,994,828.32/x
  3. Step 3: Cross multiply
    408,621,856.08x = 563,910,070.08 × 222,994,828.32
  4. Step 4: Simplify right side
    408,621,856.08x = 125,749,029,265,408,768
  5. Step 5: Solve for x
    x = 125,749,029,265,408,768/408,621,856.08
  6. Step 6: Final answer
    x = 307,739,361.94

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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.