Home / 415,259,610.10-622,889,415.15-108,582,723.70

Finding the Fourth Proportional to 415,259,610.10, 622,889,415.15 and 108,582,723.70

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Solution

The fourth proportional to 415,259,610.10, 622,889,415.15 and 108,582,723.70 is: 162,874,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,259,610.10 : 622,889,415.15 = 108,582,723.70 : x
  2. Step 2: Convert to fraction form
    415,259,610.10/622,889,415.15 = 108,582,723.70/x
  3. Step 3: Cross multiply
    415,259,610.10x = 622,889,415.15 × 108,582,723.70
  4. Step 4: Simplify right side
    415,259,610.10x = 67,635,029,260,887,040
  5. Step 5: Solve for x
    x = 67,635,029,260,887,040/415,259,610.10
  6. Step 6: Final answer
    x = 162,874,085.55

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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.