Home / 448,726,168.82-673,326,235.74-318,410,512.76

Finding the Fourth Proportional to 448,726,168.82, 673,326,235.74 and 318,410,512.76

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Solution

The fourth proportional to 448,726,168.82, 673,326,235.74 and 318,410,512.76 is: 477,783,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,726,168.82 : 673,326,235.74 = 318,410,512.76 : x
  2. Step 2: Convert to fraction form
    448,726,168.82/673,326,235.74 = 318,410,512.76/x
  3. Step 3: Cross multiply
    448,726,168.82x = 673,326,235.74 × 318,410,512.76
  4. Step 4: Simplify right side
    448,726,168.82x = 214,394,151,976,734,048
  5. Step 5: Solve for x
    x = 214,394,151,976,734,048/448,726,168.82
  6. Step 6: Final answer
    x = 477,783,928.98

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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.