Home / 415,194,309.10-622,366,310.85-242,582,272.30

Finding the Fourth Proportional to 415,194,309.10, 622,366,310.85 and 242,582,272.30

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Solution

The fourth proportional to 415,194,309.10, 622,366,310.85 and 242,582,272.30 is: 363,625,007.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,194,309.10 : 622,366,310.85 = 242,582,272.30 : x
  2. Step 2: Convert to fraction form
    415,194,309.10/622,366,310.85 = 242,582,272.30/x
  3. Step 3: Cross multiply
    415,194,309.10x = 622,366,310.85 × 242,582,272.30
  4. Step 4: Simplify right side
    415,194,309.10x = 150,975,033,888,961,152
  5. Step 5: Solve for x
    x = 150,975,033,888,961,152/415,194,309.10
  6. Step 6: Final answer
    x = 363,625,007.81

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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.