Home / 414,087,499.20-620,375,421.60-336,993,124.80

Finding the Fourth Proportional to 414,087,499.20, 620,375,421.60 and 336,993,124.80

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Solution

The fourth proportional to 414,087,499.20, 620,375,421.60 and 336,993,124.80 is: 504,874,579.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,087,499.20 : 620,375,421.60 = 336,993,124.80 : x
  2. Step 2: Convert to fraction form
    414,087,499.20/620,375,421.60 = 336,993,124.80/x
  3. Step 3: Cross multiply
    414,087,499.20x = 620,375,421.60 × 336,993,124.80
  4. Step 4: Simplify right side
    414,087,499.20x = 209,062,251,874,101,440
  5. Step 5: Solve for x
    x = 209,062,251,874,101,440/414,087,499.20
  6. Step 6: Final answer
    x = 504,874,579.11

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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.