Home / 1,081,256,016.22-1,621,886,682.15-304,905,745.78

Finding the Fourth Proportional to 1,081,256,016.22, 1,621,886,682.15 and 304,905,745.78

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Solution

The fourth proportional to 1,081,256,016.22, 1,621,886,682.15 and 304,905,745.78 is: 457,359,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,256,016.22 : 1,621,886,682.15 = 304,905,745.78 : x
  2. Step 2: Convert to fraction form
    1,081,256,016.22/1,621,886,682.15 = 304,905,745.78/x
  3. Step 3: Cross multiply
    1,081,256,016.22x = 1,621,886,682.15 × 304,905,745.78
  4. Step 4: Simplify right side
    1,081,256,016.22x = 494,522,568,391,595,520
  5. Step 5: Solve for x
    x = 494,522,568,391,595,520/1,081,256,016.22
  6. Step 6: Final answer
    x = 457,359,368.15

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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.