Home / 382,401,339,640.26-527,760,123,168.87-217,642,917,336.72

Finding the Fourth Proportional to 382,401,339,640.26, 527,760,123,168.87 and 217,642,917,336.72

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Solution

The fourth proportional to 382,401,339,640.26, 527,760,123,168.87 and 217,642,917,336.72 is: 300,373,562,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,401,339,640.26 : 527,760,123,168.87 = 217,642,917,336.72 : x
  2. Step 2: Convert to fraction form
    382,401,339,640.26/527,760,123,168.87 = 217,642,917,336.72/x
  3. Step 3: Cross multiply
    382,401,339,640.26x = 527,760,123,168.87 × 217,642,917,336.72
  4. Step 4: Simplify right side
    382,401,339,640.26x = 114,863,252,860,459,540,283,392
  5. Step 5: Solve for x
    x = 114,863,252,860,459,540,283,392/382,401,339,640.26
  6. Step 6: Final answer
    x = 300,373,562,939.18

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1.5x scale

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.