Home / 419,940,657,700.76-629,839,938,974.20-117,683,695,580.24

Finding the Fourth Proportional to 419,940,657,700.76, 629,839,938,974.20 and 117,683,695,580.24

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Solution

The fourth proportional to 419,940,657,700.76, 629,839,938,974.20 and 117,683,695,580.24 is: 176,505,633,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,940,657,700.76 : 629,839,938,974.20 = 117,683,695,580.24 : x
  2. Step 2: Convert to fraction form
    419,940,657,700.76/629,839,938,974.20 = 117,683,695,580.24/x
  3. Step 3: Cross multiply
    419,940,657,700.76x = 629,839,938,974.20 × 117,683,695,580.24
  4. Step 4: Simplify right side
    419,940,657,700.76x = 74,121,891,642,516,690,698,240
  5. Step 5: Solve for x
    x = 74,121,891,642,516,690,698,240/419,940,657,700.76
  6. Step 6: Final answer
    x = 176,505,633,077.65

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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.