Home / 734,040,577.09-1,012,975,940.03-399,515,498.25

Finding the Fourth Proportional to 734,040,577.09, 1,012,975,940.03 and 399,515,498.25

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Solution

The fourth proportional to 734,040,577.09, 1,012,975,940.03 and 399,515,498.25 is: 551,331,356.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,040,577.09 : 1,012,975,940.03 = 399,515,498.25 : x
  2. Step 2: Convert to fraction form
    734,040,577.09/1,012,975,940.03 = 399,515,498.25/x
  3. Step 3: Cross multiply
    734,040,577.09x = 1,012,975,940.03 × 399,515,498.25
  4. Step 4: Simplify right side
    734,040,577.09x = 404,699,587,396,347,584
  5. Step 5: Solve for x
    x = 404,699,587,396,347,584/734,040,577.09
  6. Step 6: Final answer
    x = 551,331,356.91

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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.