Home / 681,077,863.42-1,021,519,790.24-214,678,674.14

Finding the Fourth Proportional to 681,077,863.42, 1,021,519,790.24 and 214,678,674.14

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Solution

The fourth proportional to 681,077,863.42, 1,021,519,790.24 and 214,678,674.14 is: 321,987,434.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,077,863.42 : 1,021,519,790.24 = 214,678,674.14 : x
  2. Step 2: Convert to fraction form
    681,077,863.42/1,021,519,790.24 = 214,678,674.14/x
  3. Step 3: Cross multiply
    681,077,863.42x = 1,021,519,790.24 × 214,678,674.14
  4. Step 4: Simplify right side
    681,077,863.42x = 219,298,514,170,313,120
  5. Step 5: Solve for x
    x = 219,298,514,170,313,120/681,077,863.42
  6. Step 6: Final answer
    x = 321,987,434.84

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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.