Home / 28,772,352,638.80-43,159,723,351.80-9,142,493,822.80

Finding the Fourth Proportional to 28,772,352,638.80, 43,159,723,351.80 and 9,142,493,822.80

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Solution

The fourth proportional to 28,772,352,638.80, 43,159,723,351.80 and 9,142,493,822.80 is: 13,714,120,256.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772,352,638.80 : 43,159,723,351.80 = 9,142,493,822.80 : x
  2. Step 2: Convert to fraction form
    28,772,352,638.80/43,159,723,351.80 = 9,142,493,822.80/x
  3. Step 3: Cross multiply
    28,772,352,638.80x = 43,159,723,351.80 × 9,142,493,822.80
  4. Step 4: Simplify right side
    28,772,352,638.80x = 394,587,504,137,588,375,552
  5. Step 5: Solve for x
    x = 394,587,504,137,588,375,552/28,772,352,638.80
  6. Step 6: Final answer
    x = 13,714,120,256.04

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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.