Home / 424,450,917.88-585,700,458.06-238,807,834.36

Finding the Fourth Proportional to 424,450,917.88, 585,700,458.06 and 238,807,834.36

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Solution

The fourth proportional to 424,450,917.88, 585,700,458.06 and 238,807,834.36 is: 329,531,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,450,917.88 : 585,700,458.06 = 238,807,834.36 : x
  2. Step 2: Convert to fraction form
    424,450,917.88/585,700,458.06 = 238,807,834.36/x
  3. Step 3: Cross multiply
    424,450,917.88x = 585,700,458.06 × 238,807,834.36
  4. Step 4: Simplify right side
    424,450,917.88x = 139,869,857,972,968,608
  5. Step 5: Solve for x
    x = 139,869,857,972,968,608/424,450,917.88
  6. Step 6: Final answer
    x = 329,531,288.73

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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.