Home / 496,803,189.82-685,591,099.98-285,093,163.42

Finding the Fourth Proportional to 496,803,189.82, 685,591,099.98 and 285,093,163.42

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Solution

The fourth proportional to 496,803,189.82, 685,591,099.98 and 285,093,163.42 is: 393,430,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,803,189.82 : 685,591,099.98 = 285,093,163.42 : x
  2. Step 2: Convert to fraction form
    496,803,189.82/685,591,099.98 = 285,093,163.42/x
  3. Step 3: Cross multiply
    496,803,189.82x = 685,591,099.98 × 285,093,163.42
  4. Step 4: Simplify right side
    496,803,189.82x = 195,457,335,505,895,712
  5. Step 5: Solve for x
    x = 195,457,335,505,895,712/496,803,189.82
  6. Step 6: Final answer
    x = 393,430,113.80

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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.