Home / 1,997,391,349.31-2,997,270,642.96-1,112,817,105.23

Finding the Fourth Proportional to 1,997,391,349.31, 2,997,270,642.96 and 1,112,817,105.23

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Solution

The fourth proportional to 1,997,391,349.31, 2,997,270,642.96 and 1,112,817,105.23 is: 1,669,885,093.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,391,349.31 : 2,997,270,642.96 = 1,112,817,105.23 : x
  2. Step 2: Convert to fraction form
    1,997,391,349.31/2,997,270,642.96 = 1,112,817,105.23/x
  3. Step 3: Cross multiply
    1,997,391,349.31x = 2,997,270,642.96 × 1,112,817,105.23
  4. Step 4: Simplify right side
    1,997,391,349.31x = 3,335,414,040,474,621,440
  5. Step 5: Solve for x
    x = 3,335,414,040,474,621,440/1,997,391,349.31
  6. Step 6: Final answer
    x = 1,669,885,093.69

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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.