Home / 305,914,338,488.03-422,163,099,579.51-166,868,650,359.26

Finding the Fourth Proportional to 305,914,338,488.03, 422,163,099,579.51 and 166,868,650,359.26

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Solution

The fourth proportional to 305,914,338,488.03, 422,163,099,579.51 and 166,868,650,359.26 is: 230,279,453,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,914,338,488.03 : 422,163,099,579.51 = 166,868,650,359.26 : x
  2. Step 2: Convert to fraction form
    305,914,338,488.03/422,163,099,579.51 = 166,868,650,359.26/x
  3. Step 3: Cross multiply
    305,914,338,488.03x = 422,163,099,579.51 × 166,868,650,359.26
  4. Step 4: Simplify right side
    305,914,338,488.03x = 70,445,786,658,314,718,806,016
  5. Step 5: Solve for x
    x = 70,445,786,658,314,718,806,016/305,914,338,488.03
  6. Step 6: Final answer
    x = 230,279,453,413.30

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1.5x scale

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.