Home / 793,969,115.90-1,191,010,556.93-211,700,311.34

Finding the Fourth Proportional to 793,969,115.90, 1,191,010,556.93 and 211,700,311.34

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Solution

The fourth proportional to 793,969,115.90, 1,191,010,556.93 and 211,700,311.34 is: 317,565,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,969,115.90 : 1,191,010,556.93 = 211,700,311.34 : x
  2. Step 2: Convert to fraction form
    793,969,115.90/1,191,010,556.93 = 211,700,311.34/x
  3. Step 3: Cross multiply
    793,969,115.90x = 1,191,010,556.93 × 211,700,311.34
  4. Step 4: Simplify right side
    793,969,115.90x = 252,137,305,704,294,240
  5. Step 5: Solve for x
    x = 252,137,305,704,294,240/793,969,115.90
  6. Step 6: Final answer
    x = 317,565,634.05

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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.