Home / 1,259,714,400.80-1,889,571,601.20-1,183,123,911.20

Finding the Fourth Proportional to 1,259,714,400.80, 1,889,571,601.20 and 1,183,123,911.20

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Solution

The fourth proportional to 1,259,714,400.80, 1,889,571,601.20 and 1,183,123,911.20 is: 1,774,685,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,714,400.80 : 1,889,571,601.20 = 1,183,123,911.20 : x
  2. Step 2: Convert to fraction form
    1,259,714,400.80/1,889,571,601.20 = 1,183,123,911.20/x
  3. Step 3: Cross multiply
    1,259,714,400.80x = 1,889,571,601.20 × 1,183,123,911.20
  4. Step 4: Simplify right side
    1,259,714,400.80x = 2,235,597,343,304,190,720
  5. Step 5: Solve for x
    x = 2,235,597,343,304,190,720/1,259,714,400.80
  6. Step 6: Final answer
    x = 1,774,685,866.80

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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.