Home / 25,987,674,015.54-38,976,903,106.65-11,819,321,105.31

Finding the Fourth Proportional to 25,987,674,015.54, 38,976,903,106.65 and 11,819,321,105.31

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Solution

The fourth proportional to 25,987,674,015.54, 38,976,903,106.65 and 11,819,321,105.31 is: 17,726,885,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,987,674,015.54 : 38,976,903,106.65 = 11,819,321,105.31 : x
  2. Step 2: Convert to fraction form
    25,987,674,015.54/38,976,903,106.65 = 11,819,321,105.31/x
  3. Step 3: Cross multiply
    25,987,674,015.54x = 38,976,903,106.65 × 11,819,321,105.31
  4. Step 4: Simplify right side
    25,987,674,015.54x = 460,680,533,508,051,238,912
  5. Step 5: Solve for x
    x = 460,680,533,508,051,238,912/25,987,674,015.54
  6. Step 6: Final answer
    x = 17,726,885,954.96

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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.