Home / 368,291,874.34-508,166,916.36-211,628,714.10

Finding the Fourth Proportional to 368,291,874.34, 508,166,916.36 and 211,628,714.10

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Solution

The fourth proportional to 368,291,874.34, 508,166,916.36 and 211,628,714.10 is: 292,004,028.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,291,874.34 : 508,166,916.36 = 211,628,714.10 : x
  2. Step 2: Convert to fraction form
    368,291,874.34/508,166,916.36 = 211,628,714.10/x
  3. Step 3: Cross multiply
    368,291,874.34x = 508,166,916.36 × 211,628,714.10
  4. Step 4: Simplify right side
    368,291,874.34x = 107,542,711,057,429,056
  5. Step 5: Solve for x
    x = 107,542,711,057,429,056/368,291,874.34
  6. Step 6: Final answer
    x = 292,004,028.73

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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.