Home / 417,474,276.40-626,211,414.60-393,665,719.60

Finding the Fourth Proportional to 417,474,276.40, 626,211,414.60 and 393,665,719.60

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Solution

The fourth proportional to 417,474,276.40, 626,211,414.60 and 393,665,719.60 is: 590,498,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,474,276.40 : 626,211,414.60 = 393,665,719.60 : x
  2. Step 2: Convert to fraction form
    417,474,276.40/626,211,414.60 = 393,665,719.60/x
  3. Step 3: Cross multiply
    417,474,276.40x = 626,211,414.60 × 393,665,719.60
  4. Step 4: Simplify right side
    417,474,276.40x = 246,517,967,150,242,976
  5. Step 5: Solve for x
    x = 246,517,967,150,242,976/417,474,276.40
  6. Step 6: Final answer
    x = 590,498,579.40

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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.