Home / 419,670,537.40-579,135,114.24-231,494,711.16

Finding the Fourth Proportional to 419,670,537.40, 579,135,114.24 and 231,494,711.16

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Solution

The fourth proportional to 419,670,537.40, 579,135,114.24 and 231,494,711.16 is: 319,457,059.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,670,537.40 : 579,135,114.24 = 231,494,711.16 : x
  2. Step 2: Convert to fraction form
    419,670,537.40/579,135,114.24 = 231,494,711.16/x
  3. Step 3: Cross multiply
    419,670,537.40x = 579,135,114.24 × 231,494,711.16
  4. Step 4: Simplify right side
    419,670,537.40x = 134,066,715,993,602,400
  5. Step 5: Solve for x
    x = 134,066,715,993,602,400/419,670,537.40
  6. Step 6: Final answer
    x = 319,457,059.87

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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.