Home / 298,485,846.40-447,728,769.60-104,332,734.40

Finding the Fourth Proportional to 298,485,846.40, 447,728,769.60 and 104,332,734.40

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Solution

The fourth proportional to 298,485,846.40, 447,728,769.60 and 104,332,734.40 is: 156,499,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,485,846.40 : 447,728,769.60 = 104,332,734.40 : x
  2. Step 2: Convert to fraction form
    298,485,846.40/447,728,769.60 = 104,332,734.40/x
  3. Step 3: Cross multiply
    298,485,846.40x = 447,728,769.60 × 104,332,734.40
  4. Step 4: Simplify right side
    298,485,846.40x = 46,712,766,801,915,600
  5. Step 5: Solve for x
    x = 46,712,766,801,915,600/298,485,846.40
  6. Step 6: Final answer
    x = 156,499,101.60

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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.