Home / 425,562,295.22-638,527,786.42-228,595,879.54

Finding the Fourth Proportional to 425,562,295.22, 638,527,786.42 and 228,595,879.54

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Solution

The fourth proportional to 425,562,295.22, 638,527,786.42 and 228,595,879.54 is: 342,992,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,562,295.22 : 638,527,786.42 = 228,595,879.54 : x
  2. Step 2: Convert to fraction form
    425,562,295.22/638,527,786.42 = 228,595,879.54/x
  3. Step 3: Cross multiply
    425,562,295.22x = 638,527,786.42 × 228,595,879.54
  4. Step 4: Simplify right side
    425,562,295.22x = 145,964,820,947,409,152
  5. Step 5: Solve for x
    x = 145,964,820,947,409,152/425,562,295.22
  6. Step 6: Final answer
    x = 342,992,841.68

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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.