Home / 2,820,201,208.80-4,227,614,427.60-2,198,071,442.40

Finding the Fourth Proportional to 2,820,201,208.80, 4,227,614,427.60 and 2,198,071,442.40

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Solution

The fourth proportional to 2,820,201,208.80, 4,227,614,427.60 and 2,198,071,442.40 is: 3,295,012,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,201,208.80 : 4,227,614,427.60 = 2,198,071,442.40 : x
  2. Step 2: Convert to fraction form
    2,820,201,208.80/4,227,614,427.60 = 2,198,071,442.40/x
  3. Step 3: Cross multiply
    2,820,201,208.80x = 4,227,614,427.60 × 2,198,071,442.40
  4. Step 4: Simplify right side
    2,820,201,208.80x = 9,292,598,542,785,781,760
  5. Step 5: Solve for x
    x = 9,292,598,542,785,781,760/2,820,201,208.80
  6. Step 6: Final answer
    x = 3,295,012,608.95

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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.