Home / 13,196,796,366.45-18,212,233,295.84-8,186,158,042.05

Finding the Fourth Proportional to 13,196,796,366.45, 18,212,233,295.84 and 8,186,158,042.05

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Solution

The fourth proportional to 13,196,796,366.45, 18,212,233,295.84 and 8,186,158,042.05 is: 11,297,303,975.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196,796,366.45 : 18,212,233,295.84 = 8,186,158,042.05 : x
  2. Step 2: Convert to fraction form
    13,196,796,366.45/18,212,233,295.84 = 8,186,158,042.05/x
  3. Step 3: Cross multiply
    13,196,796,366.45x = 18,212,233,295.84 × 8,186,158,042.05
  4. Step 4: Simplify right side
    13,196,796,366.45x = 149,088,220,058,431,389,696
  5. Step 5: Solve for x
    x = 149,088,220,058,431,389,696/13,196,796,366.45
  6. Step 6: Final answer
    x = 11,297,303,975.79

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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.