Home / 448,420,512.60-672,630,768.90-332,194,365.90

Finding the Fourth Proportional to 448,420,512.60, 672,630,768.90 and 332,194,365.90

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Solution

The fourth proportional to 448,420,512.60, 672,630,768.90 and 332,194,365.90 is: 498,291,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,420,512.60 : 672,630,768.90 = 332,194,365.90 : x
  2. Step 2: Convert to fraction form
    448,420,512.60/672,630,768.90 = 332,194,365.90/x
  3. Step 3: Cross multiply
    448,420,512.60x = 672,630,768.90 × 332,194,365.90
  4. Step 4: Simplify right side
    448,420,512.60x = 223,444,151,759,564,928
  5. Step 5: Solve for x
    x = 223,444,151,759,564,928/448,420,512.60
  6. Step 6: Final answer
    x = 498,291,548.85

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1.5x scale

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.