Home / 2,120,039,062.32-3,180,707,595.72-1,085,632,342.32

Finding the Fourth Proportional to 2,120,039,062.32, 3,180,707,595.72 and 1,085,632,342.32

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Solution

The fourth proportional to 2,120,039,062.32, 3,180,707,595.72 and 1,085,632,342.32 is: 1,628,780,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,039,062.32 : 3,180,707,595.72 = 1,085,632,342.32 : x
  2. Step 2: Convert to fraction form
    2,120,039,062.32/3,180,707,595.72 = 1,085,632,342.32/x
  3. Step 3: Cross multiply
    2,120,039,062.32x = 3,180,707,595.72 × 1,085,632,342.32
  4. Step 4: Simplify right side
    2,120,039,062.32x = 3,453,079,037,376,518,656
  5. Step 5: Solve for x
    x = 3,453,079,037,376,518,656/2,120,039,062.32
  6. Step 6: Final answer
    x = 1,628,780,855.39

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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.