Home / 1,151,907,667.78-1,589,631,554.48-650,222,050.18

Finding the Fourth Proportional to 1,151,907,667.78, 1,589,631,554.48 and 650,222,050.18

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Solution

The fourth proportional to 1,151,907,667.78, 1,589,631,554.48 and 650,222,050.18 is: 897,305,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,907,667.78 : 1,589,631,554.48 = 650,222,050.18 : x
  2. Step 2: Convert to fraction form
    1,151,907,667.78/1,589,631,554.48 = 650,222,050.18/x
  3. Step 3: Cross multiply
    1,151,907,667.78x = 1,589,631,554.48 × 650,222,050.18
  4. Step 4: Simplify right side
    1,151,907,667.78x = 1,033,613,488,384,805,888
  5. Step 5: Solve for x
    x = 1,033,613,488,384,805,888/1,151,907,667.78
  6. Step 6: Final answer
    x = 897,305,849.50

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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.