Home / 621,904,629,751.20-858,231,562,672.08-347,554,861,161.12

Finding the Fourth Proportional to 621,904,629,751.20, 858,231,562,672.08 and 347,554,861,161.12

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Solution

The fourth proportional to 621,904,629,751.20, 858,231,562,672.08 and 347,554,861,161.12 is: 479,627,481,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,904,629,751.20 : 858,231,562,672.08 = 347,554,861,161.12 : x
  2. Step 2: Convert to fraction form
    621,904,629,751.20/858,231,562,672.08 = 347,554,861,161.12/x
  3. Step 3: Cross multiply
    621,904,629,751.20x = 858,231,562,672.08 × 347,554,861,161.12
  4. Step 4: Simplify right side
    621,904,629,751.20x = 298,282,551,608,585,798,811,648
  5. Step 5: Solve for x
    x = 298,282,551,608,585,798,811,648/621,904,629,751.20
  6. Step 6: Final answer
    x = 479,627,481,994.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.