Home / 2,130,042,682.44-2,939,402,515.86-1,190,253,046.86

Finding the Fourth Proportional to 2,130,042,682.44, 2,939,402,515.86 and 1,190,253,046.86

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Solution

The fourth proportional to 2,130,042,682.44, 2,939,402,515.86 and 1,190,253,046.86 is: 1,642,517,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,042,682.44 : 2,939,402,515.86 = 1,190,253,046.86 : x
  2. Step 2: Convert to fraction form
    2,130,042,682.44/2,939,402,515.86 = 1,190,253,046.86/x
  3. Step 3: Cross multiply
    2,130,042,682.44x = 2,939,402,515.86 × 1,190,253,046.86
  4. Step 4: Simplify right side
    2,130,042,682.44x = 3,498,632,800,450,314,240
  5. Step 5: Solve for x
    x = 3,498,632,800,450,314,240/2,130,042,682.44
  6. Step 6: Final answer
    x = 1,642,517,696.61

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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.