Home / 2,379,396,856.10-3,283,641,573-1,307,680,739.60

Finding the Fourth Proportional to 2,379,396,856.10, 3,283,641,573 and 1,307,680,739.60

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Solution

The fourth proportional to 2,379,396,856.10, 3,283,641,573 and 1,307,680,739.60 is: 1,804,640,041.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,396,856.10 : 3,283,641,573 = 1,307,680,739.60 : x
  2. Step 2: Convert to fraction form
    2,379,396,856.10/3,283,641,573 = 1,307,680,739.60/x
  3. Step 3: Cross multiply
    2,379,396,856.10x = 3,283,641,573 × 1,307,680,739.60
  4. Step 4: Simplify right side
    2,379,396,856.10x = 4,293,954,840,761,947,136
  5. Step 5: Solve for x
    x = 4,293,954,840,761,947,136/2,379,396,856.10
  6. Step 6: Final answer
    x = 1,804,640,041.34

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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.