Home / 529,758,213.91-731,135,949.68-303,785,629.11

Finding the Fourth Proportional to 529,758,213.91, 731,135,949.68 and 303,785,629.11

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Solution

The fourth proportional to 529,758,213.91, 731,135,949.68 and 303,785,629.11 is: 419,264,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,758,213.91 : 731,135,949.68 = 303,785,629.11 : x
  2. Step 2: Convert to fraction form
    529,758,213.91/731,135,949.68 = 303,785,629.11/x
  3. Step 3: Cross multiply
    529,758,213.91x = 731,135,949.68 × 303,785,629.11
  4. Step 4: Simplify right side
    529,758,213.91x = 222,108,594,438,476,096
  5. Step 5: Solve for x
    x = 222,108,594,438,476,096/529,758,213.91
  6. Step 6: Final answer
    x = 419,264,088.04

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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.