Home / 1,909,841,749.44-2,635,347,811.68-1,204,728,999.36

Finding the Fourth Proportional to 1,909,841,749.44, 2,635,347,811.68 and 1,204,728,999.36

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Solution

The fourth proportional to 1,909,841,749.44, 2,635,347,811.68 and 1,204,728,999.36 is: 1,662,378,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,841,749.44 : 2,635,347,811.68 = 1,204,728,999.36 : x
  2. Step 2: Convert to fraction form
    1,909,841,749.44/2,635,347,811.68 = 1,204,728,999.36/x
  3. Step 3: Cross multiply
    1,909,841,749.44x = 2,635,347,811.68 × 1,204,728,999.36
  4. Step 4: Simplify right side
    1,909,841,749.44x = 3,174,879,932,130,811,392
  5. Step 5: Solve for x
    x = 3,174,879,932,130,811,392/1,909,841,749.44
  6. Step 6: Final answer
    x = 1,662,378,536.37

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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.