Home / 2,188,973,889.32-3,020,786,880.26-1,185,393,186.94

Finding the Fourth Proportional to 2,188,973,889.32, 3,020,786,880.26 and 1,185,393,186.94

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Solution

The fourth proportional to 2,188,973,889.32, 3,020,786,880.26 and 1,185,393,186.94 is: 1,635,844,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,973,889.32 : 3,020,786,880.26 = 1,185,393,186.94 : x
  2. Step 2: Convert to fraction form
    2,188,973,889.32/3,020,786,880.26 = 1,185,393,186.94/x
  3. Step 3: Cross multiply
    2,188,973,889.32x = 3,020,786,880.26 × 1,185,393,186.94
  4. Step 4: Simplify right side
    2,188,973,889.32x = 3,580,820,187,052,809,728
  5. Step 5: Solve for x
    x = 3,580,820,187,052,809,728/2,188,973,889.32
  6. Step 6: Final answer
    x = 1,635,844,175.45

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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.