Home / 411,802,964.16-568,285,892.40-223,629,613.20

Finding the Fourth Proportional to 411,802,964.16, 568,285,892.40 and 223,629,613.20

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Solution

The fourth proportional to 411,802,964.16, 568,285,892.40 and 223,629,613.20 is: 308,607,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,802,964.16 : 568,285,892.40 = 223,629,613.20 : x
  2. Step 2: Convert to fraction form
    411,802,964.16/568,285,892.40 = 223,629,613.20/x
  3. Step 3: Cross multiply
    411,802,964.16x = 568,285,892.40 × 223,629,613.20
  4. Step 4: Simplify right side
    411,802,964.16x = 127,085,554,304,428,800
  5. Step 5: Solve for x
    x = 127,085,554,304,428,800/411,802,964.16
  6. Step 6: Final answer
    x = 308,607,672.52

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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.