Home / 13,196,796,364.32-18,212,233,292.92-8,186,158,039.92

Finding the Fourth Proportional to 13,196,796,364.32, 18,212,233,292.92 and 8,186,158,039.92

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Solution

The fourth proportional to 13,196,796,364.32, 18,212,233,292.92 and 8,186,158,039.92 is: 11,297,303,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196,796,364.32 : 18,212,233,292.92 = 8,186,158,039.92 : x
  2. Step 2: Convert to fraction form
    13,196,796,364.32/18,212,233,292.92 = 8,186,158,039.92/x
  3. Step 3: Cross multiply
    13,196,796,364.32x = 18,212,233,292.92 × 8,186,158,039.92
  4. Step 4: Simplify right side
    13,196,796,364.32x = 149,088,219,995,680,210,944
  5. Step 5: Solve for x
    x = 149,088,219,995,680,210,944/13,196,796,364.32
  6. Step 6: Final answer
    x = 11,297,303,972.87

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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.