Home / 413,938,067.36-620,907,101.52-168,237,136.94

Finding the Fourth Proportional to 413,938,067.36, 620,907,101.52 and 168,237,136.94

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Solution

The fourth proportional to 413,938,067.36, 620,907,101.52 and 168,237,136.94 is: 252,355,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,938,067.36 : 620,907,101.52 = 168,237,136.94 : x
  2. Step 2: Convert to fraction form
    413,938,067.36/620,907,101.52 = 168,237,136.94/x
  3. Step 3: Cross multiply
    413,938,067.36x = 620,907,101.52 × 168,237,136.94
  4. Step 4: Simplify right side
    413,938,067.36x = 104,459,633,065,438,720
  5. Step 5: Solve for x
    x = 104,459,633,065,438,720/413,938,067.36
  6. Step 6: Final answer
    x = 252,355,705.61

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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.