Home / 305,914,338,486.49-422,163,099,577.45-166,868,650,357.74

Finding the Fourth Proportional to 305,914,338,486.49, 422,163,099,577.45 and 166,868,650,357.74

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Solution

The fourth proportional to 305,914,338,486.49, 422,163,099,577.45 and 166,868,650,357.74 is: 230,279,453,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,914,338,486.49 : 422,163,099,577.45 = 166,868,650,357.74 : x
  2. Step 2: Convert to fraction form
    305,914,338,486.49/422,163,099,577.45 = 166,868,650,357.74/x
  3. Step 3: Cross multiply
    305,914,338,486.49x = 422,163,099,577.45 × 166,868,650,357.74
  4. Step 4: Simplify right side
    305,914,338,486.49x = 70,445,786,657,329,275,469,824
  5. Step 5: Solve for x
    x = 70,445,786,657,329,275,469,824/305,914,338,486.49
  6. Step 6: Final answer
    x = 230,279,453,411.24

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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.