Home / 413,023,310.20-618,100,074.60-378,585,933.40

Finding the Fourth Proportional to 413,023,310.20, 618,100,074.60 and 378,585,933.40

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Solution

The fourth proportional to 413,023,310.20, 618,100,074.60 and 378,585,933.40 is: 566,563,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,023,310.20 : 618,100,074.60 = 378,585,933.40 : x
  2. Step 2: Convert to fraction form
    413,023,310.20/618,100,074.60 = 378,585,933.40/x
  3. Step 3: Cross multiply
    413,023,310.20x = 618,100,074.60 × 378,585,933.40
  4. Step 4: Simplify right side
    413,023,310.20x = 234,003,993,677,050,624
  5. Step 5: Solve for x
    x = 234,003,993,677,050,624/413,023,310.20
  6. Step 6: Final answer
    x = 566,563,648.83

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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.