Home / 1,691,749,801.82-2,538,144,241.70-807,563,427.46

Finding the Fourth Proportional to 1,691,749,801.82, 2,538,144,241.70 and 807,563,427.46

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Solution

The fourth proportional to 1,691,749,801.82, 2,538,144,241.70 and 807,563,427.46 is: 1,211,593,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,749,801.82 : 2,538,144,241.70 = 807,563,427.46 : x
  2. Step 2: Convert to fraction form
    1,691,749,801.82/2,538,144,241.70 = 807,563,427.46/x
  3. Step 3: Cross multiply
    1,691,749,801.82x = 2,538,144,241.70 × 807,563,427.46
  4. Step 4: Simplify right side
    1,691,749,801.82x = 2,049,712,463,204,731,648
  5. Step 5: Solve for x
    x = 2,049,712,463,204,731,648/1,691,749,801.82
  6. Step 6: Final answer
    x = 1,211,593,145.15

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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.