Home / 788,966,067.60-1,183,449,101.40-206,699,187.60

Finding the Fourth Proportional to 788,966,067.60, 1,183,449,101.40 and 206,699,187.60

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Solution

The fourth proportional to 788,966,067.60, 1,183,449,101.40 and 206,699,187.60 is: 310,048,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,966,067.60 : 1,183,449,101.40 = 206,699,187.60 : x
  2. Step 2: Convert to fraction form
    788,966,067.60/1,183,449,101.40 = 206,699,187.60/x
  3. Step 3: Cross multiply
    788,966,067.60x = 1,183,449,101.40 × 206,699,187.60
  4. Step 4: Simplify right side
    788,966,067.60x = 244,617,967,825,330,048
  5. Step 5: Solve for x
    x = 244,617,967,825,330,048/788,966,067.60
  6. Step 6: Final answer
    x = 310,048,781.40

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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.