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Finding the Fourth Proportional to 404,751,571.66, 558,546,888.73 and 226,136,834.95

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Solution

The fourth proportional to 404,751,571.66, 558,546,888.73 and 226,136,834.95 is: 312,063,088.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,751,571.66 : 558,546,888.73 = 226,136,834.95 : x
  2. Step 2: Convert to fraction form
    404,751,571.66/558,546,888.73 = 226,136,834.95/x
  3. Step 3: Cross multiply
    404,751,571.66x = 558,546,888.73 × 226,136,834.95
  4. Step 4: Simplify right side
    404,751,571.66x = 126,308,025,589,019,600
  5. Step 5: Solve for x
    x = 126,308,025,589,019,600/404,751,571.66
  6. Step 6: Final answer
    x = 312,063,088.65

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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.