Home / 512,262,983.78-706,923,145.85-277,313,636.66

Finding the Fourth Proportional to 512,262,983.78, 706,923,145.85 and 277,313,636.66

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Solution

The fourth proportional to 512,262,983.78, 706,923,145.85 and 277,313,636.66 is: 382,692,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,262,983.78 : 706,923,145.85 = 277,313,636.66 : x
  2. Step 2: Convert to fraction form
    512,262,983.78/706,923,145.85 = 277,313,636.66/x
  3. Step 3: Cross multiply
    512,262,983.78x = 706,923,145.85 × 277,313,636.66
  4. Step 4: Simplify right side
    512,262,983.78x = 196,039,428,409,869,888
  5. Step 5: Solve for x
    x = 196,039,428,409,869,888/512,262,983.78
  6. Step 6: Final answer
    x = 382,692,942.14

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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.