Home / 6,953,783,958.78-10,430,740,504.35-1,979,505,640.26

Finding the Fourth Proportional to 6,953,783,958.78, 10,430,740,504.35 and 1,979,505,640.26

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Solution

The fourth proportional to 6,953,783,958.78, 10,430,740,504.35 and 1,979,505,640.26 is: 2,969,276,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,953,783,958.78 : 10,430,740,504.35 = 1,979,505,640.26 : x
  2. Step 2: Convert to fraction form
    6,953,783,958.78/10,430,740,504.35 = 1,979,505,640.26/x
  3. Step 3: Cross multiply
    6,953,783,958.78x = 10,430,740,504.35 × 1,979,505,640.26
  4. Step 4: Simplify right side
    6,953,783,958.78x = 20,647,709,660,449,263,616
  5. Step 5: Solve for x
    x = 20,647,709,660,449,263,616/6,953,783,958.78
  6. Step 6: Final answer
    x = 2,969,276,840.18

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1.5x scale

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.