Home / 405,361,395,881.90-559,361,751,997.12-240,534,508,707

Finding the Fourth Proportional to 405,361,395,881.90, 559,361,751,997.12 and 240,534,508,707

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Solution

The fourth proportional to 405,361,395,881.90, 559,361,751,997.12 and 240,534,508,707 is: 331,915,682,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,361,395,881.90 : 559,361,751,997.12 = 240,534,508,707 : x
  2. Step 2: Convert to fraction form
    405,361,395,881.90/559,361,751,997.12 = 240,534,508,707/x
  3. Step 3: Cross multiply
    405,361,395,881.90x = 559,361,751,997.12 × 240,534,508,707
  4. Step 4: Simplify right side
    405,361,395,881.90x = 134,545,804,206,114,036,776,960
  5. Step 5: Solve for x
    x = 134,545,804,206,114,036,776,960/405,361,395,881.90
  6. Step 6: Final answer
    x = 331,915,682,087.58

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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.