Home / 2,101,463,189.63-3,152,990,910.56-1,261,692,379.86

Finding the Fourth Proportional to 2,101,463,189.63, 3,152,990,910.56 and 1,261,692,379.86

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Solution

The fourth proportional to 2,101,463,189.63, 3,152,990,910.56 and 1,261,692,379.86 is: 1,893,016,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,463,189.63 : 3,152,990,910.56 = 1,261,692,379.86 : x
  2. Step 2: Convert to fraction form
    2,101,463,189.63/3,152,990,910.56 = 1,261,692,379.86/x
  3. Step 3: Cross multiply
    2,101,463,189.63x = 3,152,990,910.56 × 1,261,692,379.86
  4. Step 4: Simplify right side
    2,101,463,189.63x = 3,978,104,605,615,085,568
  5. Step 5: Solve for x
    x = 3,978,104,605,615,085,568/2,101,463,189.63
  6. Step 6: Final answer
    x = 1,893,016,554.01

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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.