Home / 629,858,244.40-944,787,366.60-398,575,121.20

Finding the Fourth Proportional to 629,858,244.40, 944,787,366.60 and 398,575,121.20

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Solution

The fourth proportional to 629,858,244.40, 944,787,366.60 and 398,575,121.20 is: 597,862,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,858,244.40 : 944,787,366.60 = 398,575,121.20 : x
  2. Step 2: Convert to fraction form
    629,858,244.40/944,787,366.60 = 398,575,121.20/x
  3. Step 3: Cross multiply
    629,858,244.40x = 944,787,366.60 × 398,575,121.20
  4. Step 4: Simplify right side
    629,858,244.40x = 376,568,739,150,823,808
  5. Step 5: Solve for x
    x = 376,568,739,150,823,808/629,858,244.40
  6. Step 6: Final answer
    x = 597,862,681.80

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Double scale
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Similar ratio
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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.