Home / 2,078,062,563.07-3,117,494,881.63-678,670,626.51

Finding the Fourth Proportional to 2,078,062,563.07, 3,117,494,881.63 and 678,670,626.51

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Solution

The fourth proportional to 2,078,062,563.07, 3,117,494,881.63 and 678,670,626.51 is: 1,018,136,913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,062,563.07 : 3,117,494,881.63 = 678,670,626.51 : x
  2. Step 2: Convert to fraction form
    2,078,062,563.07/3,117,494,881.63 = 678,670,626.51/x
  3. Step 3: Cross multiply
    2,078,062,563.07x = 3,117,494,881.63 × 678,670,626.51
  4. Step 4: Simplify right side
    2,078,062,563.07x = 2,115,752,204,458,432,512
  5. Step 5: Solve for x
    x = 2,115,752,204,458,432,512/2,078,062,563.07
  6. Step 6: Final answer
    x = 1,018,136,913.71

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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.