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Finding the Fourth Proportional to 3,809,898,618.30, 5,714,847,927.45 and 3,809,898,618.30

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Solution

The fourth proportional to 3,809,898,618.30, 5,714,847,927.45 and 3,809,898,618.30 is: 5,714,847,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809,898,618.30 : 5,714,847,927.45 = 3,809,898,618.30 : x
  2. Step 2: Convert to fraction form
    3,809,898,618.30/5,714,847,927.45 = 3,809,898,618.30/x
  3. Step 3: Cross multiply
    3,809,898,618.30x = 5,714,847,927.45 × 3,809,898,618.30
  4. Step 4: Simplify right side
    3,809,898,618.30x = 21,772,991,222,586,372,096
  5. Step 5: Solve for x
    x = 21,772,991,222,586,372,096/3,809,898,618.30
  6. Step 6: Final answer
    x = 5,714,847,927.45

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Double scale
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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.