Home / 804,109,268.50-1,206,233,376.64-221,843,514.80

Finding the Fourth Proportional to 804,109,268.50, 1,206,233,376.64 and 221,843,514.80

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Solution

The fourth proportional to 804,109,268.50, 1,206,233,376.64 and 221,843,514.80 is: 332,784,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,109,268.50 : 1,206,233,376.64 = 221,843,514.80 : x
  2. Step 2: Convert to fraction form
    804,109,268.50/1,206,233,376.64 = 221,843,514.80/x
  3. Step 3: Cross multiply
    804,109,268.50x = 1,206,233,376.64 × 221,843,514.80
  4. Step 4: Simplify right side
    804,109,268.50x = 267,595,051,942,889,856
  5. Step 5: Solve for x
    x = 267,595,051,942,889,856/804,109,268.50
  6. Step 6: Final answer
    x = 332,784,439.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.