Home / 1,819,190,720.70-2,728,786,081.05-1,628,722,266.30

Finding the Fourth Proportional to 1,819,190,720.70, 2,728,786,081.05 and 1,628,722,266.30

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Solution

The fourth proportional to 1,819,190,720.70, 2,728,786,081.05 and 1,628,722,266.30 is: 2,443,083,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,190,720.70 : 2,728,786,081.05 = 1,628,722,266.30 : x
  2. Step 2: Convert to fraction form
    1,819,190,720.70/2,728,786,081.05 = 1,628,722,266.30/x
  3. Step 3: Cross multiply
    1,819,190,720.70x = 2,728,786,081.05 × 1,628,722,266.30
  4. Step 4: Simplify right side
    1,819,190,720.70x = 4,444,434,650,175,651,840
  5. Step 5: Solve for x
    x = 4,444,434,650,175,651,840/1,819,190,720.70
  6. Step 6: Final answer
    x = 2,443,083,399.45

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Double scale
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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.