Home / 1,206,113,477.70-1,809,170,216.55-1,083,669,471.30

Finding the Fourth Proportional to 1,206,113,477.70, 1,809,170,216.55 and 1,083,669,471.30

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Solution

The fourth proportional to 1,206,113,477.70, 1,809,170,216.55 and 1,083,669,471.30 is: 1,625,504,206.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,113,477.70 : 1,809,170,216.55 = 1,083,669,471.30 : x
  2. Step 2: Convert to fraction form
    1,206,113,477.70/1,809,170,216.55 = 1,083,669,471.30/x
  3. Step 3: Cross multiply
    1,206,113,477.70x = 1,809,170,216.55 × 1,083,669,471.30
  4. Step 4: Simplify right side
    1,206,113,477.70x = 1,960,542,532,060,444,928
  5. Step 5: Solve for x
    x = 1,960,542,532,060,444,928/1,206,113,477.70
  6. Step 6: Final answer
    x = 1,625,504,206.95

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Double scale
Find fourth proportional to 1,206,113,478.70, 1,809,170,218.05 and 1,083,669,472.30
Similar ratio
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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.