Home / 351,475,318.96-485,040,359.65-202,827,285.45

Finding the Fourth Proportional to 351,475,318.96, 485,040,359.65 and 202,827,285.45

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Solution

The fourth proportional to 351,475,318.96, 485,040,359.65 and 202,827,285.45 is: 279,904,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,475,318.96 : 485,040,359.65 = 202,827,285.45 : x
  2. Step 2: Convert to fraction form
    351,475,318.96/485,040,359.65 = 202,827,285.45/x
  3. Step 3: Cross multiply
    351,475,318.96x = 485,040,359.65 × 202,827,285.45
  4. Step 4: Simplify right side
    351,475,318.96x = 98,379,419,481,501,200
  5. Step 5: Solve for x
    x = 98,379,419,481,501,200/351,475,318.96
  6. Step 6: Final answer
    x = 279,904,204.29

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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.