Home / 418,095,600.85-576,987,099.28-239,514,003.50

Finding the Fourth Proportional to 418,095,600.85, 576,987,099.28 and 239,514,003.50

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Solution

The fourth proportional to 418,095,600.85, 576,987,099.28 and 239,514,003.50 is: 330,538,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,095,600.85 : 576,987,099.28 = 239,514,003.50 : x
  2. Step 2: Convert to fraction form
    418,095,600.85/576,987,099.28 = 239,514,003.50/x
  3. Step 3: Cross multiply
    418,095,600.85x = 576,987,099.28 × 239,514,003.50
  4. Step 4: Simplify right side
    418,095,600.85x = 138,196,490,112,921,056
  5. Step 5: Solve for x
    x = 138,196,490,112,921,056/418,095,600.85
  6. Step 6: Final answer
    x = 330,538,015.30

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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.