Home / 298,134,734.40-447,202,101.60-206,301,729.60

Finding the Fourth Proportional to 298,134,734.40, 447,202,101.60 and 206,301,729.60

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Solution

The fourth proportional to 298,134,734.40, 447,202,101.60 and 206,301,729.60 is: 309,452,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,134,734.40 : 447,202,101.60 = 206,301,729.60 : x
  2. Step 2: Convert to fraction form
    298,134,734.40/447,202,101.60 = 206,301,729.60/x
  3. Step 3: Cross multiply
    298,134,734.40x = 447,202,101.60 × 206,301,729.60
  4. Step 4: Simplify right side
    298,134,734.40x = 92,258,567,040,834,928
  5. Step 5: Solve for x
    x = 92,258,567,040,834,928/298,134,734.40
  6. Step 6: Final answer
    x = 309,452,594.40

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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.