Home / 419,867,101.20-629,800,651.80-236,201,091.60

Finding the Fourth Proportional to 419,867,101.20, 629,800,651.80 and 236,201,091.60

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Solution

The fourth proportional to 419,867,101.20, 629,800,651.80 and 236,201,091.60 is: 354,301,637.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,867,101.20 : 629,800,651.80 = 236,201,091.60 : x
  2. Step 2: Convert to fraction form
    419,867,101.20/629,800,651.80 = 236,201,091.60/x
  3. Step 3: Cross multiply
    419,867,101.20x = 629,800,651.80 × 236,201,091.60
  4. Step 4: Simplify right side
    419,867,101.20x = 148,759,601,445,551,488
  5. Step 5: Solve for x
    x = 148,759,601,445,551,488/419,867,101.20
  6. Step 6: Final answer
    x = 354,301,637.40

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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.