Home / 1,109,731,449.60-1,664,093,289.60-419,409,273.60

Finding the Fourth Proportional to 1,109,731,449.60, 1,664,093,289.60 and 419,409,273.60

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Solution

The fourth proportional to 1,109,731,449.60, 1,664,093,289.60 and 419,409,273.60 is: 628,923,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,731,449.60 : 1,664,093,289.60 = 419,409,273.60 : x
  2. Step 2: Convert to fraction form
    1,109,731,449.60/1,664,093,289.60 = 419,409,273.60/x
  3. Step 3: Cross multiply
    1,109,731,449.60x = 1,664,093,289.60 × 419,409,273.60
  4. Step 4: Simplify right side
    1,109,731,449.60x = 697,936,157,793,770,496
  5. Step 5: Solve for x
    x = 697,936,157,793,770,496/1,109,731,449.60
  6. Step 6: Final answer
    x = 628,923,473.37

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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.