Home / 995,328,099.20-1,492,992,148.80-890,520,060.80

Finding the Fourth Proportional to 995,328,099.20, 1,492,992,148.80 and 890,520,060.80

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Solution

The fourth proportional to 995,328,099.20, 1,492,992,148.80 and 890,520,060.80 is: 1,335,780,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,099.20 : 1,492,992,148.80 = 890,520,060.80 : x
  2. Step 2: Convert to fraction form
    995,328,099.20/1,492,992,148.80 = 890,520,060.80/x
  3. Step 3: Cross multiply
    995,328,099.20x = 1,492,992,148.80 × 890,520,060.80
  4. Step 4: Simplify right side
    995,328,099.20x = 1,329,539,459,123,298,560
  5. Step 5: Solve for x
    x = 1,329,539,459,123,298,560/995,328,099.20
  6. Step 6: Final answer
    x = 1,335,780,091.20

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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.