Home / 682,882,219.44-1,024,324,068.06-319,631,667.12

Finding the Fourth Proportional to 682,882,219.44, 1,024,324,068.06 and 319,631,667.12

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Solution

The fourth proportional to 682,882,219.44, 1,024,324,068.06 and 319,631,667.12 is: 479,447,846.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,882,219.44 : 1,024,324,068.06 = 319,631,667.12 : x
  2. Step 2: Convert to fraction form
    682,882,219.44/1,024,324,068.06 = 319,631,667.12/x
  3. Step 3: Cross multiply
    682,882,219.44x = 1,024,324,068.06 × 319,631,667.12
  4. Step 4: Simplify right side
    682,882,219.44x = 327,406,409,545,158,144
  5. Step 5: Solve for x
    x = 327,406,409,545,158,144/682,882,219.44
  6. Step 6: Final answer
    x = 479,447,846.53

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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.