Home / 512,263,005.68-706,923,176.07-277,313,658.56

Finding the Fourth Proportional to 512,263,005.68, 706,923,176.07 and 277,313,658.56

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Solution

The fourth proportional to 512,263,005.68, 706,923,176.07 and 277,313,658.56 is: 382,692,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,263,005.68 : 706,923,176.07 = 277,313,658.56 : x
  2. Step 2: Convert to fraction form
    512,263,005.68/706,923,176.07 = 277,313,658.56/x
  3. Step 3: Cross multiply
    512,263,005.68x = 706,923,176.07 × 277,313,658.56
  4. Step 4: Simplify right side
    512,263,005.68x = 196,039,452,271,905,568
  5. Step 5: Solve for x
    x = 196,039,452,271,905,568/512,263,005.68
  6. Step 6: Final answer
    x = 382,692,972.36

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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.