Home / 20,194,759,365.70-30,292,139,048.55-19,230,512,815.30

Finding the Fourth Proportional to 20,194,759,365.70, 30,292,139,048.55 and 19,230,512,815.30

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Solution

The fourth proportional to 20,194,759,365.70, 30,292,139,048.55 and 19,230,512,815.30 is: 28,845,769,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,759,365.70 : 30,292,139,048.55 = 19,230,512,815.30 : x
  2. Step 2: Convert to fraction form
    20,194,759,365.70/30,292,139,048.55 = 19,230,512,815.30/x
  3. Step 3: Cross multiply
    20,194,759,365.70x = 30,292,139,048.55 × 19,230,512,815.30
  4. Step 4: Simplify right side
    20,194,759,365.70x = 582,533,368,175,990,276,096
  5. Step 5: Solve for x
    x = 582,533,368,175,990,276,096/20,194,759,365.70
  6. Step 6: Final answer
    x = 28,845,769,222.95

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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.