Home / 21,836,297,977,072-30,135,038,451,442-12,092,478,968,480

Finding the Fourth Proportional to 21,836,297,977,072, 30,135,038,451,442 and 12,092,478,968,480

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Solution

The fourth proportional to 21,836,297,977,072, 30,135,038,451,442 and 12,092,478,968,480 is: 16,688,145,539,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836,297,977,072 : 30,135,038,451,442 = 12,092,478,968,480 : x
  2. Step 2: Convert to fraction form
    21,836,297,977,072/30,135,038,451,442 = 12,092,478,968,480/x
  3. Step 3: Cross multiply
    21,836,297,977,072x = 30,135,038,451,442 × 12,092,478,968,480
  4. Step 4: Simplify right side
    21,836,297,977,072x = 364,407,318,688,398,458,610,515,968
  5. Step 5: Solve for x
    x = 364,407,318,688,398,458,610,515,968/21,836,297,977,072
  6. Step 6: Final answer
    x = 16,688,145,539,643.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.