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Finding the Fourth Proportional to 1,751,668,391.88, 2,417,204,028.78 and 958,712,755.32

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Solution

The fourth proportional to 1,751,668,391.88, 2,417,204,028.78 and 958,712,755.32 is: 1,322,969,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,668,391.88 : 2,417,204,028.78 = 958,712,755.32 : x
  2. Step 2: Convert to fraction form
    1,751,668,391.88/2,417,204,028.78 = 958,712,755.32/x
  3. Step 3: Cross multiply
    1,751,668,391.88x = 2,417,204,028.78 × 958,712,755.32
  4. Step 4: Simplify right side
    1,751,668,391.88x = 2,317,404,334,602,278,912
  5. Step 5: Solve for x
    x = 2,317,404,334,602,278,912/1,751,668,391.88
  6. Step 6: Final answer
    x = 1,322,969,772.90

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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.