Home / 699,514,418.60-1,049,634,770.04-285,295,131.44

Finding the Fourth Proportional to 699,514,418.60, 1,049,634,770.04 and 285,295,131.44

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Solution

The fourth proportional to 699,514,418.60, 1,049,634,770.04 and 285,295,131.44 is: 428,090,803.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,514,418.60 : 1,049,634,770.04 = 285,295,131.44 : x
  2. Step 2: Convert to fraction form
    699,514,418.60/1,049,634,770.04 = 285,295,131.44/x
  3. Step 3: Cross multiply
    699,514,418.60x = 1,049,634,770.04 × 285,295,131.44
  4. Step 4: Simplify right side
    699,514,418.60x = 299,455,689,682,555,968
  5. Step 5: Solve for x
    x = 299,455,689,682,555,968/699,514,418.60
  6. Step 6: Final answer
    x = 428,090,803.73

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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.