Home / 499,588,605.12-689,404,961.64-273,483,848.55

Finding the Fourth Proportional to 499,588,605.12, 689,404,961.64 and 273,483,848.55

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Solution

The fourth proportional to 499,588,605.12, 689,404,961.64 and 273,483,848.55 is: 377,392,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,588,605.12 : 689,404,961.64 = 273,483,848.55 : x
  2. Step 2: Convert to fraction form
    499,588,605.12/689,404,961.64 = 273,483,848.55/x
  3. Step 3: Cross multiply
    499,588,605.12x = 689,404,961.64 × 273,483,848.55
  4. Step 4: Simplify right side
    499,588,605.12x = 188,541,122,122,383,136
  5. Step 5: Solve for x
    x = 188,541,122,122,383,136/499,588,605.12
  6. Step 6: Final answer
    x = 377,392,759.14

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