Home / 404,285,866.72-557,914,868.08-218,646,882.41

Finding the Fourth Proportional to 404,285,866.72, 557,914,868.08 and 218,646,882.41

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Solution

The fourth proportional to 404,285,866.72, 557,914,868.08 and 218,646,882.41 is: 301,732,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,285,866.72 : 557,914,868.08 = 218,646,882.41 : x
  2. Step 2: Convert to fraction form
    404,285,866.72/557,914,868.08 = 218,646,882.41/x
  3. Step 3: Cross multiply
    404,285,866.72x = 557,914,868.08 × 218,646,882.41
  4. Step 4: Simplify right side
    404,285,866.72x = 121,986,346,552,542,224
  5. Step 5: Solve for x
    x = 121,986,346,552,542,224/404,285,866.72
  6. Step 6: Final answer
    x = 301,732,898.91

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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.