Home / 2,083,260,099.20-3,120,544,142.40-978,807,603.20

Finding the Fourth Proportional to 2,083,260,099.20, 3,120,544,142.40 and 978,807,603.20

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Solution

The fourth proportional to 2,083,260,099.20, 3,120,544,142.40 and 978,807,603.20 is: 1,466,169,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,260,099.20 : 3,120,544,142.40 = 978,807,603.20 : x
  2. Step 2: Convert to fraction form
    2,083,260,099.20/3,120,544,142.40 = 978,807,603.20/x
  3. Step 3: Cross multiply
    2,083,260,099.20x = 3,120,544,142.40 × 978,807,603.20
  4. Step 4: Simplify right side
    2,083,260,099.20x = 3,054,412,332,702,343,680
  5. Step 5: Solve for x
    x = 3,054,412,332,702,343,680/2,083,260,099.20
  6. Step 6: Final answer
    x = 1,466,169,459.05

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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.