Home / 888,948,018.80-1,333,422,028.20-766,504,012.40

Finding the Fourth Proportional to 888,948,018.80, 1,333,422,028.20 and 766,504,012.40

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Solution

The fourth proportional to 888,948,018.80, 1,333,422,028.20 and 766,504,012.40 is: 1,149,756,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,948,018.80 : 1,333,422,028.20 = 766,504,012.40 : x
  2. Step 2: Convert to fraction form
    888,948,018.80/1,333,422,028.20 = 766,504,012.40/x
  3. Step 3: Cross multiply
    888,948,018.80x = 1,333,422,028.20 × 766,504,012.40
  4. Step 4: Simplify right side
    888,948,018.80x = 1,022,073,334,837,846,016
  5. Step 5: Solve for x
    x = 1,022,073,334,837,846,016/888,948,018.80
  6. Step 6: Final answer
    x = 1,149,756,018.60

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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.