Home / 415,259,697.60-622,889,546.40-108,582,811.20

Finding the Fourth Proportional to 415,259,697.60, 622,889,546.40 and 108,582,811.20

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Solution

The fourth proportional to 415,259,697.60, 622,889,546.40 and 108,582,811.20 is: 162,874,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,259,697.60 : 622,889,546.40 = 108,582,811.20 : x
  2. Step 2: Convert to fraction form
    415,259,697.60/622,889,546.40 = 108,582,811.20/x
  3. Step 3: Cross multiply
    415,259,697.60x = 622,889,546.40 × 108,582,811.20
  4. Step 4: Simplify right side
    415,259,697.60x = 67,635,098,015,204,840
  5. Step 5: Solve for x
    x = 67,635,098,015,204,840/415,259,697.60
  6. Step 6: Final answer
    x = 162,874,216.80

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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.