Home / 996,015,121.80-1,494,022,682.70-305,921,268.60

Finding the Fourth Proportional to 996,015,121.80, 1,494,022,682.70 and 305,921,268.60

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Solution

The fourth proportional to 996,015,121.80, 1,494,022,682.70 and 305,921,268.60 is: 458,881,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,015,121.80 : 1,494,022,682.70 = 305,921,268.60 : x
  2. Step 2: Convert to fraction form
    996,015,121.80/1,494,022,682.70 = 305,921,268.60/x
  3. Step 3: Cross multiply
    996,015,121.80x = 1,494,022,682.70 × 305,921,268.60
  4. Step 4: Simplify right side
    996,015,121.80x = 457,053,314,408,759,296
  5. Step 5: Solve for x
    x = 457,053,314,408,759,296/996,015,121.80
  6. Step 6: Final answer
    x = 458,881,902.90

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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.