Home / 20,972,106,845.55-28,948,404,511.77-16,693,169,087.07

Finding the Fourth Proportional to 20,972,106,845.55, 28,948,404,511.77 and 16,693,169,087.07

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Solution

The fourth proportional to 20,972,106,845.55, 28,948,404,511.77 and 16,693,169,087.07 is: 23,042,063,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,972,106,845.55 : 28,948,404,511.77 = 16,693,169,087.07 : x
  2. Step 2: Convert to fraction form
    20,972,106,845.55/28,948,404,511.77 = 16,693,169,087.07/x
  3. Step 3: Cross multiply
    20,972,106,845.55x = 28,948,404,511.77 × 16,693,169,087.07
  4. Step 4: Simplify right side
    20,972,106,845.55x = 483,240,611,315,876,691,968
  5. Step 5: Solve for x
    x = 483,240,611,315,876,691,968/20,972,106,845.55
  6. Step 6: Final answer
    x = 23,042,063,197.31

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1.5x scale

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.