Home / 417,678,276.40-626,517,414.60-254,419,601.20

Finding the Fourth Proportional to 417,678,276.40, 626,517,414.60 and 254,419,601.20

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Solution

The fourth proportional to 417,678,276.40, 626,517,414.60 and 254,419,601.20 is: 381,629,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,678,276.40 : 626,517,414.60 = 254,419,601.20 : x
  2. Step 2: Convert to fraction form
    417,678,276.40/626,517,414.60 = 254,419,601.20/x
  3. Step 3: Cross multiply
    417,678,276.40x = 626,517,414.60 × 254,419,601.20
  4. Step 4: Simplify right side
    417,678,276.40x = 159,398,310,767,387,072
  5. Step 5: Solve for x
    x = 159,398,310,767,387,072/417,678,276.40
  6. Step 6: Final answer
    x = 381,629,401.80

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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.