Home / 144,546,366,978.50-199,478,770,233.84-79,443,101,890.27

Finding the Fourth Proportional to 144,546,366,978.50, 199,478,770,233.84 and 79,443,101,890.27

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Solution

The fourth proportional to 144,546,366,978.50, 199,478,770,233.84 and 79,443,101,890.27 is: 109,634,109,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,546,366,978.50 : 199,478,770,233.84 = 79,443,101,890.27 : x
  2. Step 2: Convert to fraction form
    144,546,366,978.50/199,478,770,233.84 = 79,443,101,890.27/x
  3. Step 3: Cross multiply
    144,546,366,978.50x = 199,478,770,233.84 × 79,443,101,890.27
  4. Step 4: Simplify right side
    144,546,366,978.50x = 15,847,212,268,632,311,595,008
  5. Step 5: Solve for x
    x = 15,847,212,268,632,311,595,008/144,546,366,978.50
  6. Step 6: Final answer
    x = 109,634,109,800.83

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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.