Home / 18,589,469,550.30-27,881,480,275.03-9,143,577,906.91

Finding the Fourth Proportional to 18,589,469,550.30, 27,881,480,275.03 and 9,143,577,906.91

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Solution

The fourth proportional to 18,589,469,550.30, 27,881,480,275.03 and 9,143,577,906.91 is: 13,714,026,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589,469,550.30 : 27,881,480,275.03 = 9,143,577,906.91 : x
  2. Step 2: Convert to fraction form
    18,589,469,550.30/27,881,480,275.03 = 9,143,577,906.91/x
  3. Step 3: Cross multiply
    18,589,469,550.30x = 27,881,480,275.03 × 9,143,577,906.91
  4. Step 4: Simplify right side
    18,589,469,550.30x = 254,936,487,054,711,259,136
  5. Step 5: Solve for x
    x = 254,936,487,054,711,259,136/18,589,469,550.30
  6. Step 6: Final answer
    x = 13,714,026,985.27

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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.