Home / 318,410,144,899.20-477,682,304,709.92-103,261,911,244.46

Finding the Fourth Proportional to 318,410,144,899.20, 477,682,304,709.92 and 103,261,911,244.46

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Solution

The fourth proportional to 318,410,144,899.20, 477,682,304,709.92 and 103,261,911,244.46 is: 154,914,623,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,410,144,899.20 : 477,682,304,709.92 = 103,261,911,244.46 : x
  2. Step 2: Convert to fraction form
    318,410,144,899.20/477,682,304,709.92 = 103,261,911,244.46/x
  3. Step 3: Cross multiply
    318,410,144,899.20x = 477,682,304,709.92 × 103,261,911,244.46
  4. Step 4: Simplify right side
    318,410,144,899.20x = 49,326,387,752,004,858,413,056
  5. Step 5: Solve for x
    x = 49,326,387,752,004,858,413,056/318,410,144,899.20
  6. Step 6: Final answer
    x = 154,914,623,614.21

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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.