Home / 797,395,912.40-1,196,317,817.40-388,465,403.60

Finding the Fourth Proportional to 797,395,912.40, 1,196,317,817.40 and 388,465,403.60

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Solution

The fourth proportional to 797,395,912.40, 1,196,317,817.40 and 388,465,403.60 is: 582,807,205.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,395,912.40 : 1,196,317,817.40 = 388,465,403.60 : x
  2. Step 2: Convert to fraction form
    797,395,912.40/1,196,317,817.40 = 388,465,403.60/x
  3. Step 3: Cross multiply
    797,395,912.40x = 1,196,317,817.40 × 388,465,403.60
  4. Step 4: Simplify right side
    797,395,912.40x = 464,728,083,770,162,176
  5. Step 5: Solve for x
    x = 464,728,083,770,162,176/797,395,912.40
  6. Step 6: Final answer
    x = 582,807,205.99

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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.