Home / 414,515,633.80-622,171,581.90-210,274,328.20

Finding the Fourth Proportional to 414,515,633.80, 622,171,581.90 and 210,274,328.20

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Solution

The fourth proportional to 414,515,633.80, 622,171,581.90 and 210,274,328.20 is: 315,613,455.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,515,633.80 : 622,171,581.90 = 210,274,328.20 : x
  2. Step 2: Convert to fraction form
    414,515,633.80/622,171,581.90 = 210,274,328.20/x
  3. Step 3: Cross multiply
    414,515,633.80x = 622,171,581.90 × 210,274,328.20
  4. Step 4: Simplify right side
    414,515,633.80x = 130,826,711,409,153,760
  5. Step 5: Solve for x
    x = 130,826,711,409,153,760/414,515,633.80
  6. Step 6: Final answer
    x = 315,613,455.18

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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.