Home / 415,257,828.60-622,886,742.90-108,580,942.20

Finding the Fourth Proportional to 415,257,828.60, 622,886,742.90 and 108,580,942.20

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Solution

The fourth proportional to 415,257,828.60, 622,886,742.90 and 108,580,942.20 is: 162,871,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,257,828.60 : 622,886,742.90 = 108,580,942.20 : x
  2. Step 2: Convert to fraction form
    415,257,828.60/622,886,742.90 = 108,580,942.20/x
  3. Step 3: Cross multiply
    415,257,828.60x = 622,886,742.90 × 108,580,942.20
  4. Step 4: Simplify right side
    415,257,828.60x = 67,633,629,427,971,160
  5. Step 5: Solve for x
    x = 67,633,629,427,971,160/415,257,828.60
  6. Step 6: Final answer
    x = 162,871,413.30

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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.