Home / 808,245,224.10-1,212,367,836.15-262,986,758.10

Finding the Fourth Proportional to 808,245,224.10, 1,212,367,836.15 and 262,986,758.10

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Solution

The fourth proportional to 808,245,224.10, 1,212,367,836.15 and 262,986,758.10 is: 394,480,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,245,224.10 : 1,212,367,836.15 = 262,986,758.10 : x
  2. Step 2: Convert to fraction form
    808,245,224.10/1,212,367,836.15 = 262,986,758.10/x
  3. Step 3: Cross multiply
    808,245,224.10x = 1,212,367,836.15 × 262,986,758.10
  4. Step 4: Simplify right side
    808,245,224.10x = 318,836,686,853,800,512
  5. Step 5: Solve for x
    x = 318,836,686,853,800,512/808,245,224.10
  6. Step 6: Final answer
    x = 394,480,137.15

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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.