Home / 995,328,126.20-1,492,992,189.30-890,520,087.80

Finding the Fourth Proportional to 995,328,126.20, 1,492,992,189.30 and 890,520,087.80

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Solution

The fourth proportional to 995,328,126.20, 1,492,992,189.30 and 890,520,087.80 is: 1,335,780,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,126.20 : 1,492,992,189.30 = 890,520,087.80 : x
  2. Step 2: Convert to fraction form
    995,328,126.20/1,492,992,189.30 = 890,520,087.80/x
  3. Step 3: Cross multiply
    995,328,126.20x = 1,492,992,189.30 × 890,520,087.80
  4. Step 4: Simplify right side
    995,328,126.20x = 1,329,539,535,500,150,016
  5. Step 5: Solve for x
    x = 1,329,539,535,500,150,016/995,328,126.20
  6. Step 6: Final answer
    x = 1,335,780,131.70

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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.