Home / 404,285,861.85-557,914,861.35-218,646,877.53

Finding the Fourth Proportional to 404,285,861.85, 557,914,861.35 and 218,646,877.53

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Solution

The fourth proportional to 404,285,861.85, 557,914,861.35 and 218,646,877.53 is: 301,732,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,285,861.85 : 557,914,861.35 = 218,646,877.53 : x
  2. Step 2: Convert to fraction form
    404,285,861.85/557,914,861.35 = 218,646,877.53/x
  3. Step 3: Cross multiply
    404,285,861.85x = 557,914,861.35 × 218,646,877.53
  4. Step 4: Simplify right side
    404,285,861.85x = 121,986,342,361,760,384
  5. Step 5: Solve for x
    x = 121,986,342,361,760,384/404,285,861.85
  6. Step 6: Final answer
    x = 301,732,892.18

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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.