Home / 3,491,561,851.13-5,238,032,715.09-1,280,792,091.71

Finding the Fourth Proportional to 3,491,561,851.13, 5,238,032,715.09 and 1,280,792,091.71

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Solution

The fourth proportional to 3,491,561,851.13, 5,238,032,715.09 and 1,280,792,091.71 is: 1,921,441,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491,561,851.13 : 5,238,032,715.09 = 1,280,792,091.71 : x
  2. Step 2: Convert to fraction form
    3,491,561,851.13/5,238,032,715.09 = 1,280,792,091.71/x
  3. Step 3: Cross multiply
    3,491,561,851.13x = 5,238,032,715.09 × 1,280,792,091.71
  4. Step 4: Simplify right side
    3,491,561,851.13x = 6,708,830,877,618,627,584
  5. Step 5: Solve for x
    x = 6,708,830,877,618,627,584/3,491,561,851.13
  6. Step 6: Final answer
    x = 1,921,441,224.20

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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.