Home / 298,485,321.40-447,727,982.10-104,332,209.40

Finding the Fourth Proportional to 298,485,321.40, 447,727,982.10 and 104,332,209.40

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Solution

The fourth proportional to 298,485,321.40, 447,727,982.10 and 104,332,209.40 is: 156,498,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,485,321.40 : 447,727,982.10 = 104,332,209.40 : x
  2. Step 2: Convert to fraction form
    298,485,321.40/447,727,982.10 = 104,332,209.40/x
  3. Step 3: Cross multiply
    298,485,321.40x = 447,727,982.10 × 104,332,209.40
  4. Step 4: Simplify right side
    298,485,321.40x = 46,712,449,582,696,656
  5. Step 5: Solve for x
    x = 46,712,449,582,696,656/298,485,321.40
  6. Step 6: Final answer
    x = 156,498,314.10

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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.