Home / 349,467,999.10-524,201,998.65-213,419,103.10

Finding the Fourth Proportional to 349,467,999.10, 524,201,998.65 and 213,419,103.10

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Solution

The fourth proportional to 349,467,999.10, 524,201,998.65 and 213,419,103.10 is: 320,128,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,467,999.10 : 524,201,998.65 = 213,419,103.10 : x
  2. Step 2: Convert to fraction form
    349,467,999.10/524,201,998.65 = 213,419,103.10/x
  3. Step 3: Cross multiply
    349,467,999.10x = 524,201,998.65 × 213,419,103.10
  4. Step 4: Simplify right side
    349,467,999.10x = 111,874,720,395,110,400
  5. Step 5: Solve for x
    x = 111,874,720,395,110,400/349,467,999.10
  6. Step 6: Final answer
    x = 320,128,654.65

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Similar ratio
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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.