Home / 1,858,293,906.84-2,787,440,859.72-693,853,334.64

Finding the Fourth Proportional to 1,858,293,906.84, 2,787,440,859.72 and 693,853,334.64

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Solution

The fourth proportional to 1,858,293,906.84, 2,787,440,859.72 and 693,853,334.64 is: 1,040,780,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,293,906.84 : 2,787,440,859.72 = 693,853,334.64 : x
  2. Step 2: Convert to fraction form
    1,858,293,906.84/2,787,440,859.72 = 693,853,334.64/x
  3. Step 3: Cross multiply
    1,858,293,906.84x = 2,787,440,859.72 × 693,853,334.64
  4. Step 4: Simplify right side
    1,858,293,906.84x = 1,934,075,135,628,510,208
  5. Step 5: Solve for x
    x = 1,934,075,135,628,510,208/1,858,293,906.84
  6. Step 6: Final answer
    x = 1,040,780,001.76

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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.