Home / 6,639,813,942.21-9,953,591,823.93-3,320,740,314.18

Finding the Fourth Proportional to 6,639,813,942.21, 9,953,591,823.93 and 3,320,740,314.18

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Solution

The fourth proportional to 6,639,813,942.21, 9,953,591,823.93 and 3,320,740,314.18 is: 4,978,045,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639,813,942.21 : 9,953,591,823.93 = 3,320,740,314.18 : x
  2. Step 2: Convert to fraction form
    6,639,813,942.21/9,953,591,823.93 = 3,320,740,314.18/x
  3. Step 3: Cross multiply
    6,639,813,942.21x = 9,953,591,823.93 × 3,320,740,314.18
  4. Step 4: Simplify right side
    6,639,813,942.21x = 33,053,293,640,616,787,968
  5. Step 5: Solve for x
    x = 33,053,293,640,616,787,968/6,639,813,942.21
  6. Step 6: Final answer
    x = 4,978,045,157.33

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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.