Home / 448,907,734.20-673,361,601.30-423,965,436.60

Finding the Fourth Proportional to 448,907,734.20, 673,361,601.30 and 423,965,436.60

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Solution

The fourth proportional to 448,907,734.20, 673,361,601.30 and 423,965,436.60 is: 635,948,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,907,734.20 : 673,361,601.30 = 423,965,436.60 : x
  2. Step 2: Convert to fraction form
    448,907,734.20/673,361,601.30 = 423,965,436.60/x
  3. Step 3: Cross multiply
    448,907,734.20x = 673,361,601.30 × 423,965,436.60
  4. Step 4: Simplify right side
    448,907,734.20x = 285,482,045,284,829,632
  5. Step 5: Solve for x
    x = 285,482,045,284,829,632/448,907,734.20
  6. Step 6: Final answer
    x = 635,948,154.90

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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.