Home / 20,194,758,083.95-30,292,137,125.93-18,541,763,997.55

Finding the Fourth Proportional to 20,194,758,083.95, 30,292,137,125.93 and 18,541,763,997.55

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Solution

The fourth proportional to 20,194,758,083.95, 30,292,137,125.93 and 18,541,763,997.55 is: 27,812,645,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,758,083.95 : 30,292,137,125.93 = 18,541,763,997.55 : x
  2. Step 2: Convert to fraction form
    20,194,758,083.95/30,292,137,125.93 = 18,541,763,997.55/x
  3. Step 3: Cross multiply
    20,194,758,083.95x = 30,292,137,125.93 × 18,541,763,997.55
  4. Step 4: Simplify right side
    20,194,758,083.95x = 561,669,657,570,416,590,848
  5. Step 5: Solve for x
    x = 561,669,657,570,416,590,848/20,194,758,083.95
  6. Step 6: Final answer
    x = 27,812,645,996.33

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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.