Home / 419,940,657,700.26-629,839,938,973.44-117,683,695,579.74

Finding the Fourth Proportional to 419,940,657,700.26, 629,839,938,973.44 and 117,683,695,579.74

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Solution

The fourth proportional to 419,940,657,700.26, 629,839,938,973.44 and 117,683,695,579.74 is: 176,505,633,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,940,657,700.26 : 629,839,938,973.44 = 117,683,695,579.74 : x
  2. Step 2: Convert to fraction form
    419,940,657,700.26/629,839,938,973.44 = 117,683,695,579.74/x
  3. Step 3: Cross multiply
    419,940,657,700.26x = 629,839,938,973.44 × 117,683,695,579.74
  4. Step 4: Simplify right side
    419,940,657,700.26x = 74,121,891,642,112,326,238,208
  5. Step 5: Solve for x
    x = 74,121,891,642,112,326,238,208/419,940,657,700.26
  6. Step 6: Final answer
    x = 176,505,633,076.90

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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.