Home / 277,616,505.12-413,942,792.45-269,989,164.28

Finding the Fourth Proportional to 277,616,505.12, 413,942,792.45 and 269,989,164.28

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Solution

The fourth proportional to 277,616,505.12, 413,942,792.45 and 269,989,164.28 is: 402,569,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,616,505.12 : 413,942,792.45 = 269,989,164.28 : x
  2. Step 2: Convert to fraction form
    277,616,505.12/413,942,792.45 = 269,989,164.28/x
  3. Step 3: Cross multiply
    277,616,505.12x = 413,942,792.45 × 269,989,164.28
  4. Step 4: Simplify right side
    277,616,505.12x = 111,760,068,593,304,976
  5. Step 5: Solve for x
    x = 111,760,068,593,304,976/277,616,505.12
  6. Step 6: Final answer
    x = 402,569,971.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.