Home / 2,305,212,243.27-3,181,193,961.64-1,247,940,216.59

Finding the Fourth Proportional to 2,305,212,243.27, 3,181,193,961.64 and 1,247,940,216.59

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Solution

The fourth proportional to 2,305,212,243.27, 3,181,193,961.64 and 1,247,940,216.59 is: 1,722,158,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305,212,243.27 : 3,181,193,961.64 = 1,247,940,216.59 : x
  2. Step 2: Convert to fraction form
    2,305,212,243.27/3,181,193,961.64 = 1,247,940,216.59/x
  3. Step 3: Cross multiply
    2,305,212,243.27x = 3,181,193,961.64 × 1,247,940,216.59
  4. Step 4: Simplify right side
    2,305,212,243.27x = 3,969,939,881,484,671,488
  5. Step 5: Solve for x
    x = 3,969,939,881,484,671,488/2,305,212,243.27
  6. Step 6: Final answer
    x = 1,722,158,075.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.