Home / 797,417,621.40-1,196,350,380.90-388,487,112.60

Finding the Fourth Proportional to 797,417,621.40, 1,196,350,380.90 and 388,487,112.60

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Solution

The fourth proportional to 797,417,621.40, 1,196,350,380.90 and 388,487,112.60 is: 582,839,772.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,417,621.40 : 1,196,350,380.90 = 388,487,112.60 : x
  2. Step 2: Convert to fraction form
    797,417,621.40/1,196,350,380.90 = 388,487,112.60/x
  3. Step 3: Cross multiply
    797,417,621.40x = 1,196,350,380.90 × 388,487,112.60
  4. Step 4: Simplify right side
    797,417,621.40x = 464,766,705,133,751,232
  5. Step 5: Solve for x
    x = 464,766,705,133,751,232/797,417,621.40
  6. Step 6: Final answer
    x = 582,839,772.61

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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.