Home / 805,969,659.40-1,208,954,489.10-295,300,040.20

Finding the Fourth Proportional to 805,969,659.40, 1,208,954,489.10 and 295,300,040.20

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Solution

The fourth proportional to 805,969,659.40, 1,208,954,489.10 and 295,300,040.20 is: 442,950,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,969,659.40 : 1,208,954,489.10 = 295,300,040.20 : x
  2. Step 2: Convert to fraction form
    805,969,659.40/1,208,954,489.10 = 295,300,040.20/x
  3. Step 3: Cross multiply
    805,969,659.40x = 1,208,954,489.10 × 295,300,040.20
  4. Step 4: Simplify right side
    805,969,659.40x = 357,004,309,231,200,448
  5. Step 5: Solve for x
    x = 357,004,309,231,200,448/805,969,659.40
  6. Step 6: Final answer
    x = 442,950,060.30

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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.