Home / 416,053,249.60-624,079,874.40-211,979,905.60

Finding the Fourth Proportional to 416,053,249.60, 624,079,874.40 and 211,979,905.60

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Solution

The fourth proportional to 416,053,249.60, 624,079,874.40 and 211,979,905.60 is: 317,969,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,053,249.60 : 624,079,874.40 = 211,979,905.60 : x
  2. Step 2: Convert to fraction form
    416,053,249.60/624,079,874.40 = 211,979,905.60/x
  3. Step 3: Cross multiply
    416,053,249.60x = 624,079,874.40 × 211,979,905.60
  4. Step 4: Simplify right side
    416,053,249.60x = 132,292,392,862,171,840
  5. Step 5: Solve for x
    x = 132,292,392,862,171,840/416,053,249.60
  6. Step 6: Final answer
    x = 317,969,858.40

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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.