Home / 20,194,889,735.20-30,292,334,602.80-11,826,607,172.80

Finding the Fourth Proportional to 20,194,889,735.20, 30,292,334,602.80 and 11,826,607,172.80

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Solution

The fourth proportional to 20,194,889,735.20, 30,292,334,602.80 and 11,826,607,172.80 is: 17,739,910,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,889,735.20 : 30,292,334,602.80 = 11,826,607,172.80 : x
  2. Step 2: Convert to fraction form
    20,194,889,735.20/30,292,334,602.80 = 11,826,607,172.80/x
  3. Step 3: Cross multiply
    20,194,889,735.20x = 30,292,334,602.80 × 11,826,607,172.80
  4. Step 4: Simplify right side
    20,194,889,735.20x = 358,255,541,694,332,076,032
  5. Step 5: Solve for x
    x = 358,255,541,694,332,076,032/20,194,889,735.20
  6. Step 6: Final answer
    x = 17,739,910,759.20

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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.