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Finding the Fourth Proportional to 995,328,917.20, 1,492,993,375.80 and 968,455,061.20

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Solution

The fourth proportional to 995,328,917.20, 1,492,993,375.80 and 968,455,061.20 is: 1,452,682,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,917.20 : 1,492,993,375.80 = 968,455,061.20 : x
  2. Step 2: Convert to fraction form
    995,328,917.20/1,492,993,375.80 = 968,455,061.20/x
  3. Step 3: Cross multiply
    995,328,917.20x = 1,492,993,375.80 × 968,455,061.20
  4. Step 4: Simplify right side
    995,328,917.20x = 1,445,896,991,131,583,744
  5. Step 5: Solve for x
    x = 1,445,896,991,131,583,744/995,328,917.20
  6. Step 6: Final answer
    x = 1,452,682,591.80

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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.