Home / 870,530,938.20-1,305,968,626.26-248,751,791.64

Finding the Fourth Proportional to 870,530,938.20, 1,305,968,626.26 and 248,751,791.64

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Solution

The fourth proportional to 870,530,938.20, 1,305,968,626.26 and 248,751,791.64 is: 373,176,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,530,938.20 : 1,305,968,626.26 = 248,751,791.64 : x
  2. Step 2: Convert to fraction form
    870,530,938.20/1,305,968,626.26 = 248,751,791.64/x
  3. Step 3: Cross multiply
    870,530,938.20x = 1,305,968,626.26 × 248,751,791.64
  4. Step 4: Simplify right side
    870,530,938.20x = 324,862,035,607,804,544
  5. Step 5: Solve for x
    x = 324,862,035,607,804,544/870,530,938.20
  6. Step 6: Final answer
    x = 373,176,898.55

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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.