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Finding the Fourth Proportional to 995,328,823.20, 1,492,993,234.80 and 910,676,176.80

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Solution

The fourth proportional to 995,328,823.20, 1,492,993,234.80 and 910,676,176.80 is: 1,366,014,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,823.20 : 1,492,993,234.80 = 910,676,176.80 : x
  2. Step 2: Convert to fraction form
    995,328,823.20/1,492,993,234.80 = 910,676,176.80/x
  3. Step 3: Cross multiply
    995,328,823.20x = 1,492,993,234.80 × 910,676,176.80
  4. Step 4: Simplify right side
    995,328,823.20x = 1,359,633,371,055,928,576
  5. Step 5: Solve for x
    x = 1,359,633,371,055,928,576/995,328,823.20
  6. Step 6: Final answer
    x = 1,366,014,265.20

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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.