Home / 2,141,453,778.57-2,955,313,778.09-1,338,166,535.31

Finding the Fourth Proportional to 2,141,453,778.57, 2,955,313,778.09 and 1,338,166,535.31

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Solution

The fourth proportional to 2,141,453,778.57, 2,955,313,778.09 and 1,338,166,535.31 is: 1,846,737,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,453,778.57 : 2,955,313,778.09 = 1,338,166,535.31 : x
  2. Step 2: Convert to fraction form
    2,141,453,778.57/2,955,313,778.09 = 1,338,166,535.31/x
  3. Step 3: Cross multiply
    2,141,453,778.57x = 2,955,313,778.09 × 1,338,166,535.31
  4. Step 4: Simplify right side
    2,141,453,778.57x = 3,954,701,999,173,910,528
  5. Step 5: Solve for x
    x = 3,954,701,999,173,910,528/2,141,453,778.57
  6. Step 6: Final answer
    x = 1,846,737,033.85

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1.5x scale

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.