Home / 20,194,759,362.70-30,292,139,044.05-19,230,512,812.30

Finding the Fourth Proportional to 20,194,759,362.70, 30,292,139,044.05 and 19,230,512,812.30

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Solution

The fourth proportional to 20,194,759,362.70, 30,292,139,044.05 and 19,230,512,812.30 is: 28,845,769,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,759,362.70 : 30,292,139,044.05 = 19,230,512,812.30 : x
  2. Step 2: Convert to fraction form
    20,194,759,362.70/30,292,139,044.05 = 19,230,512,812.30/x
  3. Step 3: Cross multiply
    20,194,759,362.70x = 30,292,139,044.05 × 19,230,512,812.30
  4. Step 4: Simplify right side
    20,194,759,362.70x = 582,533,367,998,576,590,848
  5. Step 5: Solve for x
    x = 582,533,367,998,576,590,848/20,194,759,362.70
  6. Step 6: Final answer
    x = 28,845,769,218.45

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Double scale
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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.