Home / 3,131,417,189.82-4,321,372,805.67-1,843,985,227.26

Finding the Fourth Proportional to 3,131,417,189.82, 4,321,372,805.67 and 1,843,985,227.26

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Solution

The fourth proportional to 3,131,417,189.82, 4,321,372,805.67 and 1,843,985,227.26 is: 2,544,709,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,417,189.82 : 4,321,372,805.67 = 1,843,985,227.26 : x
  2. Step 2: Convert to fraction form
    3,131,417,189.82/4,321,372,805.67 = 1,843,985,227.26/x
  3. Step 3: Cross multiply
    3,131,417,189.82x = 4,321,372,805.67 × 1,843,985,227.26
  4. Step 4: Simplify right side
    3,131,417,189.82x = 7,968,547,615,138,578,432
  5. Step 5: Solve for x
    x = 7,968,547,615,138,578,432/3,131,417,189.82
  6. Step 6: Final answer
    x = 2,544,709,673.64

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Double scale
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1.5x scale

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.