Home / 1,151,907,668.78-1,589,631,555.86-650,222,051.18

Finding the Fourth Proportional to 1,151,907,668.78, 1,589,631,555.86 and 650,222,051.18

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Solution

The fourth proportional to 1,151,907,668.78, 1,589,631,555.86 and 650,222,051.18 is: 897,305,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,907,668.78 : 1,589,631,555.86 = 650,222,051.18 : x
  2. Step 2: Convert to fraction form
    1,151,907,668.78/1,589,631,555.86 = 650,222,051.18/x
  3. Step 3: Cross multiply
    1,151,907,668.78x = 1,589,631,555.86 × 650,222,051.18
  4. Step 4: Simplify right side
    1,151,907,668.78x = 1,033,613,490,871,743,744
  5. Step 5: Solve for x
    x = 1,033,613,490,871,743,744/1,151,907,668.78
  6. Step 6: Final answer
    x = 897,305,850.88

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.