Home / 405,361,395,883.40-559,361,751,999.20-240,534,508,708.52

Finding the Fourth Proportional to 405,361,395,883.40, 559,361,751,999.20 and 240,534,508,708.52

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Solution

The fourth proportional to 405,361,395,883.40, 559,361,751,999.20 and 240,534,508,708.52 is: 331,915,682,089.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,361,395,883.40 : 559,361,751,999.20 = 240,534,508,708.52 : x
  2. Step 2: Convert to fraction form
    405,361,395,883.40/559,361,751,999.20 = 240,534,508,708.52/x
  3. Step 3: Cross multiply
    405,361,395,883.40x = 559,361,751,999.20 × 240,534,508,708.52
  4. Step 4: Simplify right side
    405,361,395,883.40x = 134,545,804,207,464,552,333,312
  5. Step 5: Solve for x
    x = 134,545,804,207,464,552,333,312/405,361,395,883.40
  6. Step 6: Final answer
    x = 331,915,682,089.68

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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.