Home / 1,261,956,240.63-1,741,467,528.77-705,043,470.33

Finding the Fourth Proportional to 1,261,956,240.63, 1,741,467,528.77 and 705,043,470.33

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Solution

The fourth proportional to 1,261,956,240.63, 1,741,467,528.77 and 705,043,470.33 is: 972,942,064.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,956,240.63 : 1,741,467,528.77 = 705,043,470.33 : x
  2. Step 2: Convert to fraction form
    1,261,956,240.63/1,741,467,528.77 = 705,043,470.33/x
  3. Step 3: Cross multiply
    1,261,956,240.63x = 1,741,467,528.77 × 705,043,470.33
  4. Step 4: Simplify right side
    1,261,956,240.63x = 1,227,810,309,951,010,048
  5. Step 5: Solve for x
    x = 1,227,810,309,951,010,048/1,261,956,240.63
  6. Step 6: Final answer
    x = 972,942,064.41

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Double scale
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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.