Home / 653,193,736.20-979,874,585.10-325,836,577.80

Finding the Fourth Proportional to 653,193,736.20, 979,874,585.10 and 325,836,577.80

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Solution

The fourth proportional to 653,193,736.20, 979,874,585.10 and 325,836,577.80 is: 488,796,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,193,736.20 : 979,874,585.10 = 325,836,577.80 : x
  2. Step 2: Convert to fraction form
    653,193,736.20/979,874,585.10 = 325,836,577.80/x
  3. Step 3: Cross multiply
    653,193,736.20x = 979,874,585.10 × 325,836,577.80
  4. Step 4: Simplify right side
    653,193,736.20x = 319,278,981,482,178,880
  5. Step 5: Solve for x
    x = 319,278,981,482,178,880/653,193,736.20
  6. Step 6: Final answer
    x = 488,796,759.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.