Home / 419,940,657,685.03-629,839,938,950.65-117,683,695,564.59

Finding the Fourth Proportional to 419,940,657,685.03, 629,839,938,950.65 and 117,683,695,564.59

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Solution

The fourth proportional to 419,940,657,685.03, 629,839,938,950.65 and 117,683,695,564.59 is: 176,505,633,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,940,657,685.03 : 629,839,938,950.65 = 117,683,695,564.59 : x
  2. Step 2: Convert to fraction form
    419,940,657,685.03/629,839,938,950.65 = 117,683,695,564.59/x
  3. Step 3: Cross multiply
    419,940,657,685.03x = 629,839,938,950.65 × 117,683,695,564.59
  4. Step 4: Simplify right side
    419,940,657,685.03x = 74,121,891,629,888,245,334,016
  5. Step 5: Solve for x
    x = 74,121,891,629,888,245,334,016/419,940,657,685.03
  6. Step 6: Final answer
    x = 176,505,633,054.19

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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.