Home / 629,858,019.40-944,787,029.10-580,115,141.80

Finding the Fourth Proportional to 629,858,019.40, 944,787,029.10 and 580,115,141.80

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Solution

The fourth proportional to 629,858,019.40, 944,787,029.10 and 580,115,141.80 is: 870,172,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,858,019.40 : 944,787,029.10 = 580,115,141.80 : x
  2. Step 2: Convert to fraction form
    629,858,019.40/944,787,029.10 = 580,115,141.80/x
  3. Step 3: Cross multiply
    629,858,019.40x = 944,787,029.10 × 580,115,141.80
  4. Step 4: Simplify right side
    629,858,019.40x = 548,085,261,357,147,200
  5. Step 5: Solve for x
    x = 548,085,261,357,147,200/629,858,019.40
  6. Step 6: Final answer
    x = 870,172,712.70

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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.