Home / 419,788,814.04-579,326,084.46-231,629,313.87

Finding the Fourth Proportional to 419,788,814.04, 579,326,084.46 and 231,629,313.87

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Solution

The fourth proportional to 419,788,814.04, 579,326,084.46 and 231,629,313.87 is: 319,658,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,788,814.04 : 579,326,084.46 = 231,629,313.87 : x
  2. Step 2: Convert to fraction form
    419,788,814.04/579,326,084.46 = 231,629,313.87/x
  3. Step 3: Cross multiply
    419,788,814.04x = 579,326,084.46 × 231,629,313.87
  4. Step 4: Simplify right side
    419,788,814.04x = 134,188,903,450,463,488
  5. Step 5: Solve for x
    x = 134,188,903,450,463,488/419,788,814.04
  6. Step 6: Final answer
    x = 319,658,120.85

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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.