Home / 3,870,733,869.20-5,806,100,803.80-1,285,804,845.20

Finding the Fourth Proportional to 3,870,733,869.20, 5,806,100,803.80 and 1,285,804,845.20

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Solution

The fourth proportional to 3,870,733,869.20, 5,806,100,803.80 and 1,285,804,845.20 is: 1,928,707,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,733,869.20 : 5,806,100,803.80 = 1,285,804,845.20 : x
  2. Step 2: Convert to fraction form
    3,870,733,869.20/5,806,100,803.80 = 1,285,804,845.20/x
  3. Step 3: Cross multiply
    3,870,733,869.20x = 5,806,100,803.80 × 1,285,804,845.20
  4. Step 4: Simplify right side
    3,870,733,869.20x = 7,465,512,545,245,655,040
  5. Step 5: Solve for x
    x = 7,465,512,545,245,655,040/3,870,733,869.20
  6. Step 6: Final answer
    x = 1,928,707,267.80

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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.