Home / 414,242,404,243.51-571,571,609,338.67-231,311,359,252.32

Finding the Fourth Proportional to 414,242,404,243.51, 571,571,609,338.67 and 231,311,359,252.32

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Solution

The fourth proportional to 414,242,404,243.51, 571,571,609,338.67 and 231,311,359,252.32 is: 319,163,379,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,242,404,243.51 : 571,571,609,338.67 = 231,311,359,252.32 : x
  2. Step 2: Convert to fraction form
    414,242,404,243.51/571,571,609,338.67 = 231,311,359,252.32/x
  3. Step 3: Cross multiply
    414,242,404,243.51x = 571,571,609,338.67 × 231,311,359,252.32
  4. Step 4: Simplify right side
    414,242,404,243.51x = 132,211,005,866,163,809,812,480
  5. Step 5: Solve for x
    x = 132,211,005,866,163,809,812,480/414,242,404,243.51
  6. Step 6: Final answer
    x = 319,163,379,972.19

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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.