Home / 13,196,796,366.32-18,212,233,295.68-8,186,158,041.92

Finding the Fourth Proportional to 13,196,796,366.32, 18,212,233,295.68 and 8,186,158,041.92

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Solution

The fourth proportional to 13,196,796,366.32, 18,212,233,295.68 and 8,186,158,041.92 is: 11,297,303,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196,796,366.32 : 18,212,233,295.68 = 8,186,158,041.92 : x
  2. Step 2: Convert to fraction form
    13,196,796,366.32/18,212,233,295.68 = 8,186,158,041.92/x
  3. Step 3: Cross multiply
    13,196,796,366.32x = 18,212,233,295.68 × 8,186,158,041.92
  4. Step 4: Simplify right side
    13,196,796,366.32x = 149,088,220,054,754,033,664
  5. Step 5: Solve for x
    x = 149,088,220,054,754,033,664/13,196,796,366.32
  6. Step 6: Final answer
    x = 11,297,303,975.63

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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.