Home / 20,194,759,357.20-30,292,139,035.80-19,230,512,806.80

Finding the Fourth Proportional to 20,194,759,357.20, 30,292,139,035.80 and 19,230,512,806.80

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Solution

The fourth proportional to 20,194,759,357.20, 30,292,139,035.80 and 19,230,512,806.80 is: 28,845,769,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,759,357.20 : 30,292,139,035.80 = 19,230,512,806.80 : x
  2. Step 2: Convert to fraction form
    20,194,759,357.20/30,292,139,035.80 = 19,230,512,806.80/x
  3. Step 3: Cross multiply
    20,194,759,357.20x = 30,292,139,035.80 × 19,230,512,806.80
  4. Step 4: Simplify right side
    20,194,759,357.20x = 582,533,367,673,318,080,512
  5. Step 5: Solve for x
    x = 582,533,367,673,318,080,512/20,194,759,357.20
  6. Step 6: Final answer
    x = 28,845,769,210.20

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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.