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Finding the Fourth Proportional to 449,327,145.60, 673,990,718.40 and 449,327,145.60

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Solution

The fourth proportional to 449,327,145.60, 673,990,718.40 and 449,327,145.60 is: 673,990,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,327,145.60 : 673,990,718.40 = 449,327,145.60 : x
  2. Step 2: Convert to fraction form
    449,327,145.60/673,990,718.40 = 449,327,145.60/x
  3. Step 3: Cross multiply
    449,327,145.60x = 673,990,718.40 × 449,327,145.60
  4. Step 4: Simplify right side
    449,327,145.60x = 302,842,325,659,565,376
  5. Step 5: Solve for x
    x = 302,842,325,659,565,376/449,327,145.60
  6. Step 6: Final answer
    x = 673,990,718.40

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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.