Home / 478,530,169.09-717,800,969.01-133,462,801.33

Finding the Fourth Proportional to 478,530,169.09, 717,800,969.01 and 133,462,801.33

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Solution

The fourth proportional to 478,530,169.09, 717,800,969.01 and 133,462,801.33 is: 200,195,796.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,530,169.09 : 717,800,969.01 = 133,462,801.33 : x
  2. Step 2: Convert to fraction form
    478,530,169.09/717,800,969.01 = 133,462,801.33/x
  3. Step 3: Cross multiply
    478,530,169.09x = 717,800,969.01 × 133,462,801.33
  4. Step 4: Simplify right side
    478,530,169.09x = 95,799,728,121,438,720
  5. Step 5: Solve for x
    x = 95,799,728,121,438,720/478,530,169.09
  6. Step 6: Final answer
    x = 200,195,796.02

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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.