Home / 310,318,092.33-428,647,744.86-230,012,880.65

Finding the Fourth Proportional to 310,318,092.33, 428,647,744.86 and 230,012,880.65

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Solution

The fourth proportional to 310,318,092.33, 428,647,744.86 and 230,012,880.65 is: 317,720,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,318,092.33 : 428,647,744.86 = 230,012,880.65 : x
  2. Step 2: Convert to fraction form
    310,318,092.33/428,647,744.86 = 230,012,880.65/x
  3. Step 3: Cross multiply
    310,318,092.33x = 428,647,744.86 × 230,012,880.65
  4. Step 4: Simplify right side
    310,318,092.33x = 98,594,502,580,446,448
  5. Step 5: Solve for x
    x = 98,594,502,580,446,448/310,318,092.33
  6. Step 6: Final answer
    x = 317,720,767.88

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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.