Home / 28,552,368,791.26-39,403,213,880.77-15,692,464,576.29

Finding the Fourth Proportional to 28,552,368,791.26, 39,403,213,880.77 and 15,692,464,576.29

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Solution

The fourth proportional to 28,552,368,791.26, 39,403,213,880.77 and 15,692,464,576.29 is: 21,656,120,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,552,368,791.26 : 39,403,213,880.77 = 15,692,464,576.29 : x
  2. Step 2: Convert to fraction form
    28,552,368,791.26/39,403,213,880.77 = 15,692,464,576.29/x
  3. Step 3: Cross multiply
    28,552,368,791.26x = 39,403,213,880.77 × 15,692,464,576.29
  4. Step 4: Simplify right side
    28,552,368,791.26x = 618,333,538,015,961,677,824
  5. Step 5: Solve for x
    x = 618,333,538,015,961,677,824/28,552,368,791.26
  6. Step 6: Final answer
    x = 21,656,120,461.89

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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.