Home / 653,211,794.20-979,817,691.30-290,414,738.20

Finding the Fourth Proportional to 653,211,794.20, 979,817,691.30 and 290,414,738.20

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Solution

The fourth proportional to 653,211,794.20, 979,817,691.30 and 290,414,738.20 is: 435,622,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,211,794.20 : 979,817,691.30 = 290,414,738.20 : x
  2. Step 2: Convert to fraction form
    653,211,794.20/979,817,691.30 = 290,414,738.20/x
  3. Step 3: Cross multiply
    653,211,794.20x = 979,817,691.30 × 290,414,738.20
  4. Step 4: Simplify right side
    653,211,794.20x = 284,553,498,302,617,888
  5. Step 5: Solve for x
    x = 284,553,498,302,617,888/653,211,794.20
  6. Step 6: Final answer
    x = 435,622,107.30

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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.