Home / 299,322,290.12-410,064,687.17-288,131,286.75

Finding the Fourth Proportional to 299,322,290.12, 410,064,687.17 and 288,131,286.75

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Solution

The fourth proportional to 299,322,290.12, 410,064,687.17 and 288,131,286.75 is: 394,733,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,322,290.12 : 410,064,687.17 = 288,131,286.75 : x
  2. Step 2: Convert to fraction form
    299,322,290.12/410,064,687.17 = 288,131,286.75/x
  3. Step 3: Cross multiply
    299,322,290.12x = 410,064,687.17 × 288,131,286.75
  4. Step 4: Simplify right side
    299,322,290.12x = 118,152,465,963,137,392
  5. Step 5: Solve for x
    x = 118,152,465,963,137,392/299,322,290.12
  6. Step 6: Final answer
    x = 394,733,268.67

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.