Home / 279,400,074.60-419,100,111.90-274,865,111.40

Finding the Fourth Proportional to 279,400,074.60, 419,100,111.90 and 274,865,111.40

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Solution

The fourth proportional to 279,400,074.60, 419,100,111.90 and 274,865,111.40 is: 412,297,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,400,074.60 : 419,100,111.90 = 274,865,111.40 : x
  2. Step 2: Convert to fraction form
    279,400,074.60/419,100,111.90 = 274,865,111.40/x
  3. Step 3: Cross multiply
    279,400,074.60x = 419,100,111.90 × 274,865,111.40
  4. Step 4: Simplify right side
    279,400,074.60x = 115,195,998,945,145,952
  5. Step 5: Solve for x
    x = 115,195,998,945,145,952/279,400,074.60
  6. Step 6: Final answer
    x = 412,297,667.10

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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.