Home / 603,274,012,112.47-905,003,999,089.77-205,687,609,481.12

Finding the Fourth Proportional to 603,274,012,112.47, 905,003,999,089.77 and 205,687,609,481.12

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Solution

The fourth proportional to 603,274,012,112.47, 905,003,999,089.77 and 205,687,609,481.12 is: 308,563,116,272.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,274,012,112.47 : 905,003,999,089.77 = 205,687,609,481.12 : x
  2. Step 2: Convert to fraction form
    603,274,012,112.47/905,003,999,089.77 = 205,687,609,481.12/x
  3. Step 3: Cross multiply
    603,274,012,112.47x = 905,003,999,089.77 × 205,687,609,481.12
  4. Step 4: Simplify right side
    603,274,012,112.47x = 186,148,109,143,628,494,929,920
  5. Step 5: Solve for x
    x = 186,148,109,143,628,494,929,920/603,274,012,112.47
  6. Step 6: Final answer
    x = 308,563,116,272.49

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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.