Home / 789,510,357,621.98-1,089,523,467,198.80-442,283,080,709.98

Finding the Fourth Proportional to 789,510,357,621.98, 1,089,523,467,198.80 and 442,283,080,709.98

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Solution

The fourth proportional to 789,510,357,621.98, 1,089,523,467,198.80 and 442,283,080,709.98 is: 610,350,188,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,510,357,621.98 : 1,089,523,467,198.80 = 442,283,080,709.98 : x
  2. Step 2: Convert to fraction form
    789,510,357,621.98/1,089,523,467,198.80 = 442,283,080,709.98/x
  3. Step 3: Cross multiply
    789,510,357,621.98x = 1,089,523,467,198.80 × 442,283,080,709.98
  4. Step 4: Simplify right side
    789,510,357,621.98x = 481,877,795,578,504,099,659,776
  5. Step 5: Solve for x
    x = 481,877,795,578,504,099,659,776/789,510,357,621.98
  6. Step 6: Final answer
    x = 610,350,188,476.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.