Home / 21,836,297,977,021-30,135,038,451,373-12,092,478,968,426

Finding the Fourth Proportional to 21,836,297,977,021, 30,135,038,451,373 and 12,092,478,968,426

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Solution

The fourth proportional to 21,836,297,977,021, 30,135,038,451,373 and 12,092,478,968,426 is: 16,688,145,539,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836,297,977,021 : 30,135,038,451,373 = 12,092,478,968,426 : x
  2. Step 2: Convert to fraction form
    21,836,297,977,021/30,135,038,451,373 = 12,092,478,968,426/x
  3. Step 3: Cross multiply
    21,836,297,977,021x = 30,135,038,451,373 × 12,092,478,968,426
  4. Step 4: Simplify right side
    21,836,297,977,021x = 364,407,318,685,936,789,514,878,976
  5. Step 5: Solve for x
    x = 364,407,318,685,936,789,514,878,976/21,836,297,977,021
  6. Step 6: Final answer
    x = 16,688,145,539,569.65

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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.