Home / 995,186,912.80-1,493,452,215.60-649,297,991.20

Finding the Fourth Proportional to 995,186,912.80, 1,493,452,215.60 and 649,297,991.20

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Solution

The fourth proportional to 995,186,912.80, 1,493,452,215.60 and 649,297,991.20 is: 974,385,325.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,186,912.80 : 1,493,452,215.60 = 649,297,991.20 : x
  2. Step 2: Convert to fraction form
    995,186,912.80/1,493,452,215.60 = 649,297,991.20/x
  3. Step 3: Cross multiply
    995,186,912.80x = 1,493,452,215.60 × 649,297,991.20
  4. Step 4: Simplify right side
    995,186,912.80x = 969,695,523,542,269,312
  5. Step 5: Solve for x
    x = 969,695,523,542,269,312/995,186,912.80
  6. Step 6: Final answer
    x = 974,385,325.08

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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.