Home / 401,382,997.44-554,146,009.92-252,831,452.64

Finding the Fourth Proportional to 401,382,997.44, 554,146,009.92 and 252,831,452.64

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Solution

The fourth proportional to 401,382,997.44, 554,146,009.92 and 252,831,452.64 is: 349,056,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,382,997.44 : 554,146,009.92 = 252,831,452.64 : x
  2. Step 2: Convert to fraction form
    401,382,997.44/554,146,009.92 = 252,831,452.64/x
  3. Step 3: Cross multiply
    401,382,997.44x = 554,146,009.92 × 252,831,452.64
  4. Step 4: Simplify right side
    401,382,997.44x = 140,105,540,662,733,424
  5. Step 5: Solve for x
    x = 140,105,540,662,733,424/401,382,997.44
  6. Step 6: Final answer
    x = 349,056,989.35

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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.