Home / 2,120,039,063.32-3,180,707,597.22-1,085,632,343.32

Finding the Fourth Proportional to 2,120,039,063.32, 3,180,707,597.22 and 1,085,632,343.32

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Solution

The fourth proportional to 2,120,039,063.32, 3,180,707,597.22 and 1,085,632,343.32 is: 1,628,780,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,039,063.32 : 3,180,707,597.22 = 1,085,632,343.32 : x
  2. Step 2: Convert to fraction form
    2,120,039,063.32/3,180,707,597.22 = 1,085,632,343.32/x
  3. Step 3: Cross multiply
    2,120,039,063.32x = 3,180,707,597.22 × 1,085,632,343.32
  4. Step 4: Simplify right side
    2,120,039,063.32x = 3,453,079,042,185,674,752
  5. Step 5: Solve for x
    x = 3,453,079,042,185,674,752/2,120,039,063.32
  6. Step 6: Final answer
    x = 1,628,780,856.89

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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.