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Finding the Fourth Proportional to 850,330,816.20, 1,273,480,685.10 and 850,330,816.20

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Solution

The fourth proportional to 850,330,816.20, 1,273,480,685.10 and 850,330,816.20 is: 1,273,480,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,330,816.20 : 1,273,480,685.10 = 850,330,816.20 : x
  2. Step 2: Convert to fraction form
    850,330,816.20/1,273,480,685.10 = 850,330,816.20/x
  3. Step 3: Cross multiply
    850,330,816.20x = 1,273,480,685.10 × 850,330,816.20
  4. Step 4: Simplify right side
    850,330,816.20x = 1,082,879,870,376,018,176
  5. Step 5: Solve for x
    x = 1,082,879,870,376,018,176/850,330,816.20
  6. Step 6: Final answer
    x = 1,273,480,685.10

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1.5x scale

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.