Home / 20,933,151,032.83-28,890,190,665.36-11,902,262,288.94

Finding the Fourth Proportional to 20,933,151,032.83, 28,890,190,665.36 and 11,902,262,288.94

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Solution

The fourth proportional to 20,933,151,032.83, 28,890,190,665.36 and 11,902,262,288.94 is: 16,426,510,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933,151,032.83 : 28,890,190,665.36 = 11,902,262,288.94 : x
  2. Step 2: Convert to fraction form
    20,933,151,032.83/28,890,190,665.36 = 11,902,262,288.94/x
  3. Step 3: Cross multiply
    20,933,151,032.83x = 28,890,190,665.36 × 11,902,262,288.94
  4. Step 4: Simplify right side
    20,933,151,032.83x = 343,858,626,876,600,745,984
  5. Step 5: Solve for x
    x = 343,858,626,876,600,745,984/20,933,151,032.83
  6. Step 6: Final answer
    x = 16,426,510,578.23

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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.