Home / 2,820,201,215.80-4,227,614,438.10-2,198,071,449.40

Finding the Fourth Proportional to 2,820,201,215.80, 4,227,614,438.10 and 2,198,071,449.40

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Solution

The fourth proportional to 2,820,201,215.80, 4,227,614,438.10 and 2,198,071,449.40 is: 3,295,012,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,201,215.80 : 4,227,614,438.10 = 2,198,071,449.40 : x
  2. Step 2: Convert to fraction form
    2,820,201,215.80/4,227,614,438.10 = 2,198,071,449.40/x
  3. Step 3: Cross multiply
    2,820,201,215.80x = 4,227,614,438.10 × 2,198,071,449.40
  4. Step 4: Simplify right side
    2,820,201,215.80x = 9,292,598,595,458,834,432
  5. Step 5: Solve for x
    x = 9,292,598,595,458,834,432/2,820,201,215.80
  6. Step 6: Final answer
    x = 3,295,012,619.45

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1.5x scale

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.