Home / 28,772,352,637.80-43,159,723,350.30-9,142,493,821.80

Finding the Fourth Proportional to 28,772,352,637.80, 43,159,723,350.30 and 9,142,493,821.80

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Solution

The fourth proportional to 28,772,352,637.80, 43,159,723,350.30 and 9,142,493,821.80 is: 13,714,120,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772,352,637.80 : 43,159,723,350.30 = 9,142,493,821.80 : x
  2. Step 2: Convert to fraction form
    28,772,352,637.80/43,159,723,350.30 = 9,142,493,821.80/x
  3. Step 3: Cross multiply
    28,772,352,637.80x = 43,159,723,350.30 × 9,142,493,821.80
  4. Step 4: Simplify right side
    28,772,352,637.80x = 394,587,504,080,714,924,032
  5. Step 5: Solve for x
    x = 394,587,504,080,714,924,032/28,772,352,637.80
  6. Step 6: Final answer
    x = 13,714,120,254.54

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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.