Home / 308,970,513.44-425,867,144.64-300,792,242.24

Finding the Fourth Proportional to 308,970,513.44, 425,867,144.64 and 300,792,242.24

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Solution

The fourth proportional to 308,970,513.44, 425,867,144.64 and 300,792,242.24 is: 414,594,687.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,970,513.44 : 425,867,144.64 = 300,792,242.24 : x
  2. Step 2: Convert to fraction form
    308,970,513.44/425,867,144.64 = 300,792,242.24/x
  3. Step 3: Cross multiply
    308,970,513.44x = 425,867,144.64 × 300,792,242.24
  4. Step 4: Simplify right side
    308,970,513.44x = 128,097,533,332,612,000
  5. Step 5: Solve for x
    x = 128,097,533,332,612,000/308,970,513.44
  6. Step 6: Final answer
    x = 414,594,687.07

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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.