Home / 419,202,991.02-578,504,046.42-231,038,001.66

Finding the Fourth Proportional to 419,202,991.02, 578,504,046.42 and 231,038,001.66

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Solution

The fourth proportional to 419,202,991.02, 578,504,046.42 and 231,038,001.66 is: 318,834,602.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,202,991.02 : 578,504,046.42 = 231,038,001.66 : x
  2. Step 2: Convert to fraction form
    419,202,991.02/578,504,046.42 = 231,038,001.66/x
  3. Step 3: Cross multiply
    419,202,991.02x = 578,504,046.42 × 231,038,001.66
  4. Step 4: Simplify right side
    419,202,991.02x = 133,656,418,837,100,672
  5. Step 5: Solve for x
    x = 133,656,418,837,100,672/419,202,991.02
  6. Step 6: Final answer
    x = 318,834,602.09

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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.