Home / 413,938,028.62-620,907,043.29-168,237,098.38

Finding the Fourth Proportional to 413,938,028.62, 620,907,043.29 and 168,237,098.38

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Solution

The fourth proportional to 413,938,028.62, 620,907,043.29 and 168,237,098.38 is: 252,355,647.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,938,028.62 : 620,907,043.29 = 168,237,098.38 : x
  2. Step 2: Convert to fraction form
    413,938,028.62/620,907,043.29 = 168,237,098.38/x
  3. Step 3: Cross multiply
    413,938,028.62x = 620,907,043.29 × 168,237,098.38
  4. Step 4: Simplify right side
    413,938,028.62x = 104,459,599,326,814,640
  5. Step 5: Solve for x
    x = 104,459,599,326,814,640/413,938,028.62
  6. Step 6: Final answer
    x = 252,355,647.72

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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.