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Finding the Fourth Proportional to 1,470,354,520.30, 2,206,183,085.16 and 770,680,375.27

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Solution

The fourth proportional to 1,470,354,520.30, 2,206,183,085.16 and 770,680,375.27 is: 1,156,361,941.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,354,520.30 : 2,206,183,085.16 = 770,680,375.27 : x
  2. Step 2: Convert to fraction form
    1,470,354,520.30/2,206,183,085.16 = 770,680,375.27/x
  3. Step 3: Cross multiply
    1,470,354,520.30x = 2,206,183,085.16 × 770,680,375.27
  4. Step 4: Simplify right side
    1,470,354,520.30x = 1,700,262,007,985,435,136
  5. Step 5: Solve for x
    x = 1,700,262,007,985,435,136/1,470,354,520.30
  6. Step 6: Final answer
    x = 1,156,361,941.63

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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.