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Finding the Fourth Proportional to 995,328,019.20, 1,492,992,028.80 and 894,998,956.80

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Solution

The fourth proportional to 995,328,019.20, 1,492,992,028.80 and 894,998,956.80 is: 1,342,498,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,019.20 : 1,492,992,028.80 = 894,998,956.80 : x
  2. Step 2: Convert to fraction form
    995,328,019.20/1,492,992,028.80 = 894,998,956.80/x
  3. Step 3: Cross multiply
    995,328,019.20x = 1,492,992,028.80 × 894,998,956.80
  4. Step 4: Simplify right side
    995,328,019.20x = 1,336,226,308,286,715,392
  5. Step 5: Solve for x
    x = 1,336,226,308,286,715,392/995,328,019.20
  6. Step 6: Final answer
    x = 1,342,498,435.20

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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.