Home / 259,230,365,272.44-357,730,137,828.20-143,491,868,979.60

Finding the Fourth Proportional to 259,230,365,272.44, 357,730,137,828.20 and 143,491,868,979.60

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Solution

The fourth proportional to 259,230,365,272.44, 357,730,137,828.20 and 143,491,868,979.60 is: 198,014,480,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,230,365,272.44 : 357,730,137,828.20 = 143,491,868,979.60 : x
  2. Step 2: Convert to fraction form
    259,230,365,272.44/357,730,137,828.20 = 143,491,868,979.60/x
  3. Step 3: Cross multiply
    259,230,365,272.44x = 357,730,137,828.20 × 143,491,868,979.60
  4. Step 4: Simplify right side
    259,230,365,272.44x = 51,331,366,067,298,329,690,112
  5. Step 5: Solve for x
    x = 51,331,366,067,298,329,690,112/259,230,365,272.44
  6. Step 6: Final answer
    x = 198,014,480,338.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.