Home / 28,323,033,977.88-42,463,606,542.30-17,128,419,396.48

Finding the Fourth Proportional to 28,323,033,977.88, 42,463,606,542.30 and 17,128,419,396.48

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Solution

The fourth proportional to 28,323,033,977.88, 42,463,606,542.30 and 17,128,419,396.48 is: 25,679,962,906.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323,033,977.88 : 42,463,606,542.30 = 17,128,419,396.48 : x
  2. Step 2: Convert to fraction form
    28,323,033,977.88/42,463,606,542.30 = 17,128,419,396.48/x
  3. Step 3: Cross multiply
    28,323,033,977.88x = 42,463,606,542.30 × 17,128,419,396.48
  4. Step 4: Simplify right side
    28,323,033,977.88x = 727,334,461,943,626,334,208
  5. Step 5: Solve for x
    x = 727,334,461,943,626,334,208/28,323,033,977.88
  6. Step 6: Final answer
    x = 25,679,962,906.22

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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.