Home / 404,147,518.86-557,722,527.02-225,529,534.38

Finding the Fourth Proportional to 404,147,518.86, 557,722,527.02 and 225,529,534.38

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Solution

The fourth proportional to 404,147,518.86, 557,722,527.02 and 225,529,534.38 is: 311,230,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,147,518.86 : 557,722,527.02 = 225,529,534.38 : x
  2. Step 2: Convert to fraction form
    404,147,518.86/557,722,527.02 = 225,529,534.38/x
  3. Step 3: Cross multiply
    404,147,518.86x = 557,722,527.02 × 225,529,534.38
  4. Step 4: Simplify right side
    404,147,518.86x = 125,782,901,832,057,568
  5. Step 5: Solve for x
    x = 125,782,901,832,057,568/404,147,518.86
  6. Step 6: Final answer
    x = 311,230,172.06

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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.