Home / 20,733,033,419.20-31,099,550,128.80-20,151,902,685.70

Finding the Fourth Proportional to 20,733,033,419.20, 31,099,550,128.80 and 20,151,902,685.70

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Solution

The fourth proportional to 20,733,033,419.20, 31,099,550,128.80 and 20,151,902,685.70 is: 30,227,854,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,033,419.20 : 31,099,550,128.80 = 20,151,902,685.70 : x
  2. Step 2: Convert to fraction form
    20,733,033,419.20/31,099,550,128.80 = 20,151,902,685.70/x
  3. Step 3: Cross multiply
    20,733,033,419.20x = 31,099,550,128.80 × 20,151,902,685.70
  4. Step 4: Simplify right side
    20,733,033,419.20x = 626,715,107,764,626,522,112
  5. Step 5: Solve for x
    x = 626,715,107,764,626,522,112/20,733,033,419.20
  6. Step 6: Final answer
    x = 30,227,854,028.55

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1.5x scale

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.