Home / 7,220,643,906.69-9,960,266,974.59-4,540,180,391.33

Finding the Fourth Proportional to 7,220,643,906.69, 9,960,266,974.59 and 4,540,180,391.33

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Solution

The fourth proportional to 7,220,643,906.69, 9,960,266,974.59 and 4,540,180,391.33 is: 6,262,794,481.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,643,906.69 : 9,960,266,974.59 = 4,540,180,391.33 : x
  2. Step 2: Convert to fraction form
    7,220,643,906.69/9,960,266,974.59 = 4,540,180,391.33/x
  3. Step 3: Cross multiply
    7,220,643,906.69x = 9,960,266,974.59 × 4,540,180,391.33
  4. Step 4: Simplify right side
    7,220,643,906.69x = 45,221,408,810,395,500,544
  5. Step 5: Solve for x
    x = 45,221,408,810,395,500,544/7,220,643,906.69
  6. Step 6: Final answer
    x = 6,262,794,481.32

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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.