Home / 25,668,289,383.26-35,381,311,173.75-20,233,962,866.79

Finding the Fourth Proportional to 25,668,289,383.26, 35,381,311,173.75 and 20,233,962,866.79

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Solution

The fourth proportional to 25,668,289,383.26, 35,381,311,173.75 and 20,233,962,866.79 is: 27,890,605,633.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668,289,383.26 : 35,381,311,173.75 = 20,233,962,866.79 : x
  2. Step 2: Convert to fraction form
    25,668,289,383.26/35,381,311,173.75 = 20,233,962,866.79/x
  3. Step 3: Cross multiply
    25,668,289,383.26x = 35,381,311,173.75 × 20,233,962,866.79
  4. Step 4: Simplify right side
    25,668,289,383.26x = 715,904,136,467,999,621,120
  5. Step 5: Solve for x
    x = 715,904,136,467,999,621,120/25,668,289,383.26
  6. Step 6: Final answer
    x = 27,890,605,633.23

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Double scale
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1.5x scale

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.