Home / 405,361,395,879.89-559,361,751,994.36-240,534,508,705.02

Finding the Fourth Proportional to 405,361,395,879.89, 559,361,751,994.36 and 240,534,508,705.02

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Solution

The fourth proportional to 405,361,395,879.89, 559,361,751,994.36 and 240,534,508,705.02 is: 331,915,682,084.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,361,395,879.89 : 559,361,751,994.36 = 240,534,508,705.02 : x
  2. Step 2: Convert to fraction form
    405,361,395,879.89/559,361,751,994.36 = 240,534,508,705.02/x
  3. Step 3: Cross multiply
    405,361,395,879.89x = 559,361,751,994.36 × 240,534,508,705.02
  4. Step 4: Simplify right side
    405,361,395,879.89x = 134,545,804,204,342,614,425,600
  5. Step 5: Solve for x
    x = 134,545,804,204,342,614,425,600/405,361,395,879.89
  6. Step 6: Final answer
    x = 331,915,682,084.86

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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.