Home / 515,195,318,231.04-773,145,978,304.80-179,810,243,578.08

Finding the Fourth Proportional to 515,195,318,231.04, 773,145,978,304.80 and 179,810,243,578.08

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Solution

The fourth proportional to 515,195,318,231.04, 773,145,978,304.80 and 179,810,243,578.08 is: 269,838,567,550.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,195,318,231.04 : 773,145,978,304.80 = 179,810,243,578.08 : x
  2. Step 2: Convert to fraction form
    515,195,318,231.04/773,145,978,304.80 = 179,810,243,578.08/x
  3. Step 3: Cross multiply
    515,195,318,231.04x = 773,145,978,304.80 × 179,810,243,578.08
  4. Step 4: Simplify right side
    515,195,318,231.04x = 139,019,566,680,399,035,760,640
  5. Step 5: Solve for x
    x = 139,019,566,680,399,035,760,640/515,195,318,231.04
  6. Step 6: Final answer
    x = 269,838,567,550.91

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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.