Home / 652,147,676.20-979,355,255.10-346,037,660.20

Finding the Fourth Proportional to 652,147,676.20, 979,355,255.10 and 346,037,660.20

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Solution

The fourth proportional to 652,147,676.20, 979,355,255.10 and 346,037,660.20 is: 519,658,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,147,676.20 : 979,355,255.10 = 346,037,660.20 : x
  2. Step 2: Convert to fraction form
    652,147,676.20/979,355,255.10 = 346,037,660.20/x
  3. Step 3: Cross multiply
    652,147,676.20x = 979,355,255.10 × 346,037,660.20
  4. Step 4: Simplify right side
    652,147,676.20x = 338,893,800,979,378,112
  5. Step 5: Solve for x
    x = 338,893,800,979,378,112/652,147,676.20
  6. Step 6: Final answer
    x = 519,658,067.26

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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.