Home / 13,625,874,802.68-18,802,922,698.83-7,603,907,576.78

Finding the Fourth Proportional to 13,625,874,802.68, 18,802,922,698.83 and 7,603,907,576.78

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Solution

The fourth proportional to 13,625,874,802.68, 18,802,922,698.83 and 7,603,907,576.78 is: 10,492,954,650.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625,874,802.68 : 18,802,922,698.83 = 7,603,907,576.78 : x
  2. Step 2: Convert to fraction form
    13,625,874,802.68/18,802,922,698.83 = 7,603,907,576.78/x
  3. Step 3: Cross multiply
    13,625,874,802.68x = 18,802,922,698.83 × 7,603,907,576.78
  4. Step 4: Simplify right side
    13,625,874,802.68x = 142,975,686,375,311,900,672
  5. Step 5: Solve for x
    x = 142,975,686,375,311,900,672/13,625,874,802.68
  6. Step 6: Final answer
    x = 10,492,954,650.31

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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.