Home / 547,505,511-821,296,053.54-159,331,556.76

Finding the Fourth Proportional to 547,505,511, 821,296,053.54 and 159,331,556.76

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Solution

The fourth proportional to 547,505,511, 821,296,053.54 and 159,331,556.76 is: 239,008,331.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,505,511 : 821,296,053.54 = 159,331,556.76 : x
  2. Step 2: Convert to fraction form
    547,505,511/821,296,053.54 = 159,331,556.76/x
  3. Step 3: Cross multiply
    547,505,511x = 821,296,053.54 × 159,331,556.76
  4. Step 4: Simplify right side
    547,505,511x = 130,858,378,771,372,496
  5. Step 5: Solve for x
    x = 130,858,378,771,372,496/547,505,511
  6. Step 6: Final answer
    x = 239,008,331.68

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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.