Home / 417,474,401.40-626,211,602.10-393,665,844.60

Finding the Fourth Proportional to 417,474,401.40, 626,211,602.10 and 393,665,844.60

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Solution

The fourth proportional to 417,474,401.40, 626,211,602.10 and 393,665,844.60 is: 590,498,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,474,401.40 : 626,211,602.10 = 393,665,844.60 : x
  2. Step 2: Convert to fraction form
    417,474,401.40/626,211,602.10 = 393,665,844.60/x
  3. Step 3: Cross multiply
    417,474,401.40x = 626,211,602.10 × 393,665,844.60
  4. Step 4: Simplify right side
    417,474,401.40x = 246,518,119,239,015,648
  5. Step 5: Solve for x
    x = 246,518,119,239,015,648/417,474,401.40
  6. Step 6: Final answer
    x = 590,498,766.90

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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.