Home / 1,998,944,054.40-2,998,416,081.60-1,180,635,139.20

Finding the Fourth Proportional to 1,998,944,054.40, 2,998,416,081.60 and 1,180,635,139.20

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Solution

The fourth proportional to 1,998,944,054.40, 2,998,416,081.60 and 1,180,635,139.20 is: 1,770,952,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,944,054.40 : 2,998,416,081.60 = 1,180,635,139.20 : x
  2. Step 2: Convert to fraction form
    1,998,944,054.40/2,998,416,081.60 = 1,180,635,139.20/x
  3. Step 3: Cross multiply
    1,998,944,054.40x = 2,998,416,081.60 × 1,180,635,139.20
  4. Step 4: Simplify right side
    1,998,944,054.40x = 3,540,035,387,879,334,400
  5. Step 5: Solve for x
    x = 3,540,035,387,879,334,400/1,998,944,054.40
  6. Step 6: Final answer
    x = 1,770,952,708.80

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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.