Home / 1,109,807,235.60-1,664,206,968.60-419,485,059.60

Finding the Fourth Proportional to 1,109,807,235.60, 1,664,206,968.60 and 419,485,059.60

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Solution

The fourth proportional to 1,109,807,235.60, 1,664,206,968.60 and 419,485,059.60 is: 629,037,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,807,235.60 : 1,664,206,968.60 = 419,485,059.60 : x
  2. Step 2: Convert to fraction form
    1,109,807,235.60/1,664,206,968.60 = 419,485,059.60/x
  3. Step 3: Cross multiply
    1,109,807,235.60x = 1,664,206,968.60 × 419,485,059.60
  4. Step 4: Simplify right side
    1,109,807,235.60x = 698,109,959,409,906,304
  5. Step 5: Solve for x
    x = 698,109,959,409,906,304/1,109,807,235.60
  6. Step 6: Final answer
    x = 629,037,130.97

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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.