Home / 318,410,145,066.82-477,682,304,961.41-103,261,911,412.23

Finding the Fourth Proportional to 318,410,145,066.82, 477,682,304,961.41 and 103,261,911,412.23

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Solution

The fourth proportional to 318,410,145,066.82, 477,682,304,961.41 and 103,261,911,412.23 is: 154,914,623,865.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,410,145,066.82 : 477,682,304,961.41 = 103,261,911,412.23 : x
  2. Step 2: Convert to fraction form
    318,410,145,066.82/477,682,304,961.41 = 103,261,911,412.23/x
  3. Step 3: Cross multiply
    318,410,145,066.82x = 477,682,304,961.41 × 103,261,911,412.23
  4. Step 4: Simplify right side
    318,410,145,066.82x = 49,326,387,858,114,953,084,928
  5. Step 5: Solve for x
    x = 49,326,387,858,114,953,084,928/318,410,145,066.82
  6. Step 6: Final answer
    x = 154,914,623,865.91

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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.