Home / 20,627,272,293.42-30,940,869,820.65-6,463,322,361.72

Finding the Fourth Proportional to 20,627,272,293.42, 30,940,869,820.65 and 6,463,322,361.72

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Solution

The fourth proportional to 20,627,272,293.42, 30,940,869,820.65 and 6,463,322,361.72 is: 9,694,971,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627,272,293.42 : 30,940,869,820.65 = 6,463,322,361.72 : x
  2. Step 2: Convert to fraction form
    20,627,272,293.42/30,940,869,820.65 = 6,463,322,361.72/x
  3. Step 3: Cross multiply
    20,627,272,293.42x = 30,940,869,820.65 × 6,463,322,361.72
  4. Step 4: Simplify right side
    20,627,272,293.42x = 199,980,815,802,874,658,816
  5. Step 5: Solve for x
    x = 199,980,815,802,874,658,816/20,627,272,293.42
  6. Step 6: Final answer
    x = 9,694,971,441.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.