Home / 405,361,395,885.40-559,361,752,001.96-240,534,508,710.52

Finding the Fourth Proportional to 405,361,395,885.40, 559,361,752,001.96 and 240,534,508,710.52

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Solution

The fourth proportional to 405,361,395,885.40, 559,361,752,001.96 and 240,534,508,710.52 is: 331,915,682,092.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,361,395,885.40 : 559,361,752,001.96 = 240,534,508,710.52 : x
  2. Step 2: Convert to fraction form
    405,361,395,885.40/559,361,752,001.96 = 240,534,508,710.52/x
  3. Step 3: Cross multiply
    405,361,395,885.40x = 559,361,752,001.96 × 240,534,508,710.52
  4. Step 4: Simplify right side
    405,361,395,885.40x = 134,545,804,209,247,165,087,744
  5. Step 5: Solve for x
    x = 134,545,804,209,247,165,087,744/405,361,395,885.40
  6. Step 6: Final answer
    x = 331,915,682,092.44

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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.