Home / 404,267,221.00-557,890,446.13-218,628,236.69

Finding the Fourth Proportional to 404,267,221.00, 557,890,446.13 and 218,628,236.69

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Solution

The fourth proportional to 404,267,221.00, 557,890,446.13 and 218,628,236.69 is: 301,707,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,267,221.00 : 557,890,446.13 = 218,628,236.69 : x
  2. Step 2: Convert to fraction form
    404,267,221.00/557,890,446.13 = 218,628,236.69/x
  3. Step 3: Cross multiply
    404,267,221.00x = 557,890,446.13 × 218,628,236.69
  4. Step 4: Simplify right side
    404,267,221.00x = 121,970,604,500,809,888
  5. Step 5: Solve for x
    x = 121,970,604,500,809,888/404,267,221.00
  6. Step 6: Final answer
    x = 301,707,875.80

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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.