Home / 2,078,062,564.07-3,117,494,883.13-678,670,627.51

Finding the Fourth Proportional to 2,078,062,564.07, 3,117,494,883.13 and 678,670,627.51

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Solution

The fourth proportional to 2,078,062,564.07, 3,117,494,883.13 and 678,670,627.51 is: 1,018,136,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,062,564.07 : 3,117,494,883.13 = 678,670,627.51 : x
  2. Step 2: Convert to fraction form
    2,078,062,564.07/3,117,494,883.13 = 678,670,627.51/x
  3. Step 3: Cross multiply
    2,078,062,564.07x = 3,117,494,883.13 × 678,670,627.51
  4. Step 4: Simplify right side
    2,078,062,564.07x = 2,115,752,208,593,051,136
  5. Step 5: Solve for x
    x = 2,115,752,208,593,051,136/2,078,062,564.07
  6. Step 6: Final answer
    x = 1,018,136,915.21

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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.