Home / 414,049,420.30-620,546,626.05-220,053,772.30

Finding the Fourth Proportional to 414,049,420.30, 620,546,626.05 and 220,053,772.30

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Solution

The fourth proportional to 414,049,420.30, 620,546,626.05 and 220,053,772.30 is: 329,800,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,049,420.30 : 620,546,626.05 = 220,053,772.30 : x
  2. Step 2: Convert to fraction form
    414,049,420.30/620,546,626.05 = 220,053,772.30/x
  3. Step 3: Cross multiply
    414,049,420.30x = 620,546,626.05 × 220,053,772.30
  4. Step 4: Simplify right side
    414,049,420.30x = 136,553,625,950,339,952
  5. Step 5: Solve for x
    x = 136,553,625,950,339,952/414,049,420.30
  6. Step 6: Final answer
    x = 329,800,307.05

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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.