Home / 1,227,205,471.44-1,693,548,722.48-691,363,565.52

Finding the Fourth Proportional to 1,227,205,471.44, 1,693,548,722.48 and 691,363,565.52

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Solution

The fourth proportional to 1,227,205,471.44, 1,693,548,722.48 and 691,363,565.52 is: 954,084,634.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,205,471.44 : 1,693,548,722.48 = 691,363,565.52 : x
  2. Step 2: Convert to fraction form
    1,227,205,471.44/1,693,548,722.48 = 691,363,565.52/x
  3. Step 3: Cross multiply
    1,227,205,471.44x = 1,693,548,722.48 × 691,363,565.52
  4. Step 4: Simplify right side
    1,227,205,471.44x = 1,170,857,883,152,156,928
  5. Step 5: Solve for x
    x = 1,170,857,883,152,156,928/1,227,205,471.44
  6. Step 6: Final answer
    x = 954,084,634.07

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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.