Home / 512,263,233.90-706,923,490.86-277,313,886.78

Finding the Fourth Proportional to 512,263,233.90, 706,923,490.86 and 277,313,886.78

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Solution

The fourth proportional to 512,263,233.90, 706,923,490.86 and 277,313,886.78 is: 382,693,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,263,233.90 : 706,923,490.86 = 277,313,886.78 : x
  2. Step 2: Convert to fraction form
    512,263,233.90/706,923,490.86 = 277,313,886.78/x
  3. Step 3: Cross multiply
    512,263,233.90x = 706,923,490.86 × 277,313,886.78
  4. Step 4: Simplify right side
    512,263,233.90x = 196,039,700,906,472,384
  5. Step 5: Solve for x
    x = 196,039,700,906,472,384/512,263,233.90
  6. Step 6: Final answer
    x = 382,693,287.23

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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.