Home / 418,095,600.47-576,987,098.75-239,514,003.11

Finding the Fourth Proportional to 418,095,600.47, 576,987,098.75 and 239,514,003.11

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Solution

The fourth proportional to 418,095,600.47, 576,987,098.75 and 239,514,003.11 is: 330,538,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,095,600.47 : 576,987,098.75 = 239,514,003.11 : x
  2. Step 2: Convert to fraction form
    418,095,600.47/576,987,098.75 = 239,514,003.11/x
  3. Step 3: Cross multiply
    418,095,600.47x = 576,987,098.75 × 239,514,003.11
  4. Step 4: Simplify right side
    418,095,600.47x = 138,196,489,762,816,000
  5. Step 5: Solve for x
    x = 138,196,489,762,816,000/418,095,600.47
  6. Step 6: Final answer
    x = 330,538,014.77

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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.