Home / 414,753,991.20-622,130,986.80-260,901,165.60

Finding the Fourth Proportional to 414,753,991.20, 622,130,986.80 and 260,901,165.60

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Solution

The fourth proportional to 414,753,991.20, 622,130,986.80 and 260,901,165.60 is: 391,351,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,753,991.20 : 622,130,986.80 = 260,901,165.60 : x
  2. Step 2: Convert to fraction form
    414,753,991.20/622,130,986.80 = 260,901,165.60/x
  3. Step 3: Cross multiply
    414,753,991.20x = 622,130,986.80 × 260,901,165.60
  4. Step 4: Simplify right side
    414,753,991.20x = 162,314,699,611,998,208
  5. Step 5: Solve for x
    x = 162,314,699,611,998,208/414,753,991.20
  6. Step 6: Final answer
    x = 391,351,748.40

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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.