Home / 401,469,090.73-554,036,898.31-225,270,117.97

Finding the Fourth Proportional to 401,469,090.73, 554,036,898.31 and 225,270,117.97

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Solution

The fourth proportional to 401,469,090.73, 554,036,898.31 and 225,270,117.97 is: 310,878,123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,469,090.73 : 554,036,898.31 = 225,270,117.97 : x
  2. Step 2: Convert to fraction form
    401,469,090.73/554,036,898.31 = 225,270,117.97/x
  3. Step 3: Cross multiply
    401,469,090.73x = 554,036,898.31 × 225,270,117.97
  4. Step 4: Simplify right side
    401,469,090.73x = 124,807,957,440,078,320
  5. Step 5: Solve for x
    x = 124,807,957,440,078,320/401,469,090.73
  6. Step 6: Final answer
    x = 310,878,123.18

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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.