Home / 512,263,005.86-706,923,176.32-277,313,658.74

Finding the Fourth Proportional to 512,263,005.86, 706,923,176.32 and 277,313,658.74

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Solution

The fourth proportional to 512,263,005.86, 706,923,176.32 and 277,313,658.74 is: 382,692,972.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,263,005.86 : 706,923,176.32 = 277,313,658.74 : x
  2. Step 2: Convert to fraction form
    512,263,005.86/706,923,176.32 = 277,313,658.74/x
  3. Step 3: Cross multiply
    512,263,005.86x = 706,923,176.32 × 277,313,658.74
  4. Step 4: Simplify right side
    512,263,005.86x = 196,039,452,473,401,344
  5. Step 5: Solve for x
    x = 196,039,452,473,401,344/512,263,005.86
  6. Step 6: Final answer
    x = 382,692,972.62

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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.