Home / 496,556,470.55-685,269,186.99-276,539,896.55

Finding the Fourth Proportional to 496,556,470.55, 685,269,186.99 and 276,539,896.55

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Solution

The fourth proportional to 496,556,470.55, 685,269,186.99 and 276,539,896.55 is: 381,636,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,556,470.55 : 685,269,186.99 = 276,539,896.55 : x
  2. Step 2: Convert to fraction form
    496,556,470.55/685,269,186.99 = 276,539,896.55/x
  3. Step 3: Cross multiply
    496,556,470.55x = 685,269,186.99 × 276,539,896.55
  4. Step 4: Simplify right side
    496,556,470.55x = 189,504,270,078,281,664
  5. Step 5: Solve for x
    x = 189,504,270,078,281,664/496,556,470.55
  6. Step 6: Final answer
    x = 381,636,895.94

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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.