Home / 419,905,194.40-629,857,791.60-235,483,357.60

Finding the Fourth Proportional to 419,905,194.40, 629,857,791.60 and 235,483,357.60

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Solution

The fourth proportional to 419,905,194.40, 629,857,791.60 and 235,483,357.60 is: 353,225,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,194.40 : 629,857,791.60 = 235,483,357.60 : x
  2. Step 2: Convert to fraction form
    419,905,194.40/629,857,791.60 = 235,483,357.60/x
  3. Step 3: Cross multiply
    419,905,194.40x = 629,857,791.60 × 235,483,357.60
  4. Step 4: Simplify right side
    419,905,194.40x = 148,321,027,576,489,088
  5. Step 5: Solve for x
    x = 148,321,027,576,489,088/419,905,194.40
  6. Step 6: Final answer
    x = 353,225,036.40

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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.