Home / 414,080,771.80-620,593,653.30-220,085,123.80

Finding the Fourth Proportional to 414,080,771.80, 620,593,653.30 and 220,085,123.80

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Solution

The fourth proportional to 414,080,771.80, 620,593,653.30 and 220,085,123.80 is: 329,847,315.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,080,771.80 : 620,593,653.30 = 220,085,123.80 : x
  2. Step 2: Convert to fraction form
    414,080,771.80/620,593,653.30 = 220,085,123.80/x
  3. Step 3: Cross multiply
    414,080,771.80x = 620,593,653.30 × 220,085,123.80
  4. Step 4: Simplify right side
    414,080,771.80x = 136,583,431,016,024,768
  5. Step 5: Solve for x
    x = 136,583,431,016,024,768/414,080,771.80
  6. Step 6: Final answer
    x = 329,847,315.59

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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.