Home / 368,291,734.44-508,166,723.62-211,628,574.20

Finding the Fourth Proportional to 368,291,734.44, 508,166,723.62 and 211,628,574.20

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Solution

The fourth proportional to 368,291,734.44, 508,166,723.62 and 211,628,574.20 is: 292,003,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,291,734.44 : 508,166,723.62 = 211,628,574.20 : x
  2. Step 2: Convert to fraction form
    368,291,734.44/508,166,723.62 = 211,628,574.20/x
  3. Step 3: Cross multiply
    368,291,734.44x = 508,166,723.62 × 211,628,574.20
  4. Step 4: Simplify right side
    368,291,734.44x = 107,542,599,173,309,760
  5. Step 5: Solve for x
    x = 107,542,599,173,309,760/368,291,734.44
  6. Step 6: Final answer
    x = 292,003,835.86

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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.