Home / 448,492,765.20-672,739,147.80-327,560,413.20

Finding the Fourth Proportional to 448,492,765.20, 672,739,147.80 and 327,560,413.20

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Solution

The fourth proportional to 448,492,765.20, 672,739,147.80 and 327,560,413.20 is: 491,340,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,492,765.20 : 672,739,147.80 = 327,560,413.20 : x
  2. Step 2: Convert to fraction form
    448,492,765.20/672,739,147.80 = 327,560,413.20/x
  3. Step 3: Cross multiply
    448,492,765.20x = 672,739,147.80 × 327,560,413.20
  4. Step 4: Simplify right side
    448,492,765.20x = 220,362,713,229,183,840
  5. Step 5: Solve for x
    x = 220,362,713,229,183,840/448,492,765.20
  6. Step 6: Final answer
    x = 491,340,619.80

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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.