Home / 2,083,260,100.20-3,120,544,143.90-978,807,604.20

Finding the Fourth Proportional to 2,083,260,100.20, 3,120,544,143.90 and 978,807,604.20

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Solution

The fourth proportional to 2,083,260,100.20, 3,120,544,143.90 and 978,807,604.20 is: 1,466,169,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,260,100.20 : 3,120,544,143.90 = 978,807,604.20 : x
  2. Step 2: Convert to fraction form
    2,083,260,100.20/3,120,544,143.90 = 978,807,604.20/x
  3. Step 3: Cross multiply
    2,083,260,100.20x = 3,120,544,143.90 × 978,807,604.20
  4. Step 4: Simplify right side
    2,083,260,100.20x = 3,054,412,337,291,099,136
  5. Step 5: Solve for x
    x = 3,054,412,337,291,099,136/2,083,260,100.20
  6. Step 6: Final answer
    x = 1,466,169,460.55

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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.