Home / 419,399,559.44-629,252,742.68-195,158,201.72

Finding the Fourth Proportional to 419,399,559.44, 629,252,742.68 and 195,158,201.72

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Solution

The fourth proportional to 419,399,559.44, 629,252,742.68 and 195,158,201.72 is: 292,808,685.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,399,559.44 : 629,252,742.68 = 195,158,201.72 : x
  2. Step 2: Convert to fraction form
    419,399,559.44/629,252,742.68 = 195,158,201.72/x
  3. Step 3: Cross multiply
    419,399,559.44x = 629,252,742.68 × 195,158,201.72
  4. Step 4: Simplify right side
    419,399,559.44x = 122,803,833,685,416,496
  5. Step 5: Solve for x
    x = 122,803,833,685,416,496/419,399,559.44
  6. Step 6: Final answer
    x = 292,808,685.47

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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.