Home / 415,257,025.30-622,885,537.95-408,800,017.15

Finding the Fourth Proportional to 415,257,025.30, 622,885,537.95 and 408,800,017.15

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Solution

The fourth proportional to 415,257,025.30, 622,885,537.95 and 408,800,017.15 is: 613,200,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,257,025.30 : 622,885,537.95 = 408,800,017.15 : x
  2. Step 2: Convert to fraction form
    415,257,025.30/622,885,537.95 = 408,800,017.15/x
  3. Step 3: Cross multiply
    415,257,025.30x = 622,885,537.95 × 408,800,017.15
  4. Step 4: Simplify right side
    415,257,025.30x = 254,635,618,596,446,976
  5. Step 5: Solve for x
    x = 254,635,618,596,446,976/415,257,025.30
  6. Step 6: Final answer
    x = 613,200,025.73

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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.