Home / 258,361,470,528.48-387,540,579,583.44-139,035,003,322.68

Finding the Fourth Proportional to 258,361,470,528.48, 387,540,579,583.44 and 139,035,003,322.68

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Solution

The fourth proportional to 258,361,470,528.48, 387,540,579,583.44 and 139,035,003,322.68 is: 208,551,629,853.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,361,470,528.48 : 387,540,579,583.44 = 139,035,003,322.68 : x
  2. Step 2: Convert to fraction form
    258,361,470,528.48/387,540,579,583.44 = 139,035,003,322.68/x
  3. Step 3: Cross multiply
    258,361,470,528.48x = 387,540,579,583.44 × 139,035,003,322.68
  4. Step 4: Simplify right side
    258,361,470,528.48x = 53,881,705,770,056,910,110,720
  5. Step 5: Solve for x
    x = 53,881,705,770,056,910,110,720/258,361,470,528.48
  6. Step 6: Final answer
    x = 208,551,629,853.48

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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.