Home / 260,556,022,067.89-390,610,192,394.97-90,553,524,167.31

Finding the Fourth Proportional to 260,556,022,067.89, 390,610,192,394.97 and 90,553,524,167.31

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Solution

The fourth proportional to 260,556,022,067.89, 390,610,192,394.97 and 90,553,524,167.31 is: 135,752,492,751.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,556,022,067.89 : 390,610,192,394.97 = 90,553,524,167.31 : x
  2. Step 2: Convert to fraction form
    260,556,022,067.89/390,610,192,394.97 = 90,553,524,167.31/x
  3. Step 3: Cross multiply
    260,556,022,067.89x = 390,610,192,394.97 × 90,553,524,167.31
  4. Step 4: Simplify right side
    260,556,022,067.89x = 35,371,129,497,033,566,584,832
  5. Step 5: Solve for x
    x = 35,371,129,497,033,566,584,832/260,556,022,067.89
  6. Step 6: Final answer
    x = 135,752,492,751.13

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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.