Home / 886,271,589.36-1,222,990,743.96-489,789,834.48

Finding the Fourth Proportional to 886,271,589.36, 1,222,990,743.96 and 489,789,834.48

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Solution

The fourth proportional to 886,271,589.36, 1,222,990,743.96 and 489,789,834.48 is: 675,874,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,271,589.36 : 1,222,990,743.96 = 489,789,834.48 : x
  2. Step 2: Convert to fraction form
    886,271,589.36/1,222,990,743.96 = 489,789,834.48/x
  3. Step 3: Cross multiply
    886,271,589.36x = 1,222,990,743.96 × 489,789,834.48
  4. Step 4: Simplify right side
    886,271,589.36x = 599,008,434,054,740,480
  5. Step 5: Solve for x
    x = 599,008,434,054,740,480/886,271,589.36
  6. Step 6: Final answer
    x = 675,874,575.30

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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.