Home / 793,969,128.27-1,191,010,575.51-211,700,323.71

Finding the Fourth Proportional to 793,969,128.27, 1,191,010,575.51 and 211,700,323.71

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Solution

The fourth proportional to 793,969,128.27, 1,191,010,575.51 and 211,700,323.71 is: 317,565,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,969,128.27 : 1,191,010,575.51 = 211,700,323.71 : x
  2. Step 2: Convert to fraction form
    793,969,128.27/1,191,010,575.51 = 211,700,323.71/x
  3. Step 3: Cross multiply
    793,969,128.27x = 1,191,010,575.51 × 211,700,323.71
  4. Step 4: Simplify right side
    793,969,128.27x = 252,137,324,377,500,416
  5. Step 5: Solve for x
    x = 252,137,324,377,500,416/793,969,128.27
  6. Step 6: Final answer
    x = 317,565,652.62

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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.