Home / 448,939,230.80-673,408,846.20-442,892,613.20

Finding the Fourth Proportional to 448,939,230.80, 673,408,846.20 and 442,892,613.20

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Solution

The fourth proportional to 448,939,230.80, 673,408,846.20 and 442,892,613.20 is: 664,338,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,939,230.80 : 673,408,846.20 = 442,892,613.20 : x
  2. Step 2: Convert to fraction form
    448,939,230.80/673,408,846.20 = 442,892,613.20/x
  3. Step 3: Cross multiply
    448,939,230.80x = 673,408,846.20 × 442,892,613.20
  4. Step 4: Simplify right side
    448,939,230.80x = 298,247,803,645,514,880
  5. Step 5: Solve for x
    x = 298,247,803,645,514,880/448,939,230.80
  6. Step 6: Final answer
    x = 664,338,919.80

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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.