Home / 384,865,601,445.75-531,115,055,939.67-208,882,070,093.46

Finding the Fourth Proportional to 384,865,601,445.75, 531,115,055,939.67 and 208,882,070,093.46

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Solution

The fourth proportional to 384,865,601,445.75, 531,115,055,939.67 and 208,882,070,093.46 is: 288,257,542,180.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,865,601,445.75 : 531,115,055,939.67 = 208,882,070,093.46 : x
  2. Step 2: Convert to fraction form
    384,865,601,445.75/531,115,055,939.67 = 208,882,070,093.46/x
  3. Step 3: Cross multiply
    384,865,601,445.75x = 531,115,055,939.67 × 208,882,070,093.46
  4. Step 4: Simplify right side
    384,865,601,445.75x = 110,940,412,342,482,078,007,296
  5. Step 5: Solve for x
    x = 110,940,412,342,482,078,007,296/384,865,601,445.75
  6. Step 6: Final answer
    x = 288,257,542,180.27

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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.