Home / 404,572,923.09-558,310,635.86-218,933,940.60

Finding the Fourth Proportional to 404,572,923.09, 558,310,635.86 and 218,933,940.60

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Solution

The fourth proportional to 404,572,923.09, 558,310,635.86 and 218,933,940.60 is: 302,128,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,572,923.09 : 558,310,635.86 = 218,933,940.60 : x
  2. Step 2: Convert to fraction form
    404,572,923.09/558,310,635.86 = 218,933,940.60/x
  3. Step 3: Cross multiply
    404,572,923.09x = 558,310,635.86 × 218,933,940.60
  4. Step 4: Simplify right side
    404,572,923.09x = 122,233,147,586,626,800
  5. Step 5: Solve for x
    x = 122,233,147,586,626,800/404,572,923.09
  6. Step 6: Final answer
    x = 302,128,839.11

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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.