Home / 20,255,833,874.91-30,380,992,664.77-5,331,749,692.26

Finding the Fourth Proportional to 20,255,833,874.91, 30,380,992,664.77 and 5,331,749,692.26

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Solution

The fourth proportional to 20,255,833,874.91, 30,380,992,664.77 and 5,331,749,692.26 is: 7,996,898,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255,833,874.91 : 30,380,992,664.77 = 5,331,749,692.26 : x
  2. Step 2: Convert to fraction form
    20,255,833,874.91/30,380,992,664.77 = 5,331,749,692.26/x
  3. Step 3: Cross multiply
    20,255,833,874.91x = 30,380,992,664.77 × 5,331,749,692.26
  4. Step 4: Simplify right side
    20,255,833,874.91x = 161,983,848,290,834,448,384
  5. Step 5: Solve for x
    x = 161,983,848,290,834,448,384/20,255,833,874.91
  6. Step 6: Final answer
    x = 7,996,898,537.54

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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.