Home / 417,485,954.78-576,230,957.91-238,973,324.42

Finding the Fourth Proportional to 417,485,954.78, 576,230,957.91 and 238,973,324.42

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Solution

The fourth proportional to 417,485,954.78, 576,230,957.91 and 238,973,324.42 is: 329,840,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,485,954.78 : 576,230,957.91 = 238,973,324.42 : x
  2. Step 2: Convert to fraction form
    417,485,954.78/576,230,957.91 = 238,973,324.42/x
  3. Step 3: Cross multiply
    417,485,954.78x = 576,230,957.91 × 238,973,324.42
  4. Step 4: Simplify right side
    417,485,954.78x = 137,703,827,645,473,776
  5. Step 5: Solve for x
    x = 137,703,827,645,473,776/417,485,954.78
  6. Step 6: Final answer
    x = 329,840,623.54

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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.