Home / 485,775,039.37-670,311,944.94-274,069,527.97

Finding the Fourth Proportional to 485,775,039.37, 670,311,944.94 and 274,069,527.97

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Solution

The fourth proportional to 485,775,039.37, 670,311,944.94 and 274,069,527.97 is: 378,183,445.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,775,039.37 : 670,311,944.94 = 274,069,527.97 : x
  2. Step 2: Convert to fraction form
    485,775,039.37/670,311,944.94 = 274,069,527.97/x
  3. Step 3: Cross multiply
    485,775,039.37x = 670,311,944.94 × 274,069,527.97
  4. Step 4: Simplify right side
    485,775,039.37x = 183,712,078,339,006,880
  5. Step 5: Solve for x
    x = 183,712,078,339,006,880/485,775,039.37
  6. Step 6: Final answer
    x = 378,183,445.94

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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.