Home / 2,120,039,064.57-3,180,707,599.10-1,085,632,344.57

Finding the Fourth Proportional to 2,120,039,064.57, 3,180,707,599.10 and 1,085,632,344.57

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Solution

The fourth proportional to 2,120,039,064.57, 3,180,707,599.10 and 1,085,632,344.57 is: 1,628,780,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,039,064.57 : 3,180,707,599.10 = 1,085,632,344.57 : x
  2. Step 2: Convert to fraction form
    2,120,039,064.57/3,180,707,599.10 = 1,085,632,344.57/x
  3. Step 3: Cross multiply
    2,120,039,064.57x = 3,180,707,599.10 × 1,085,632,344.57
  4. Step 4: Simplify right side
    2,120,039,064.57x = 3,453,079,048,197,120,000
  5. Step 5: Solve for x
    x = 3,453,079,048,197,120,000/2,120,039,064.57
  6. Step 6: Final answer
    x = 1,628,780,858.76

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1.5x scale

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.