Home / 1,022,327,428.82-1,530,345,938.09-667,036,684.37

Finding the Fourth Proportional to 1,022,327,428.82, 1,530,345,938.09 and 667,036,684.37

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Solution

The fourth proportional to 1,022,327,428.82, 1,530,345,938.09 and 667,036,684.37 is: 998,502,878.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,327,428.82 : 1,530,345,938.09 = 667,036,684.37 : x
  2. Step 2: Convert to fraction form
    1,022,327,428.82/1,530,345,938.09 = 667,036,684.37/x
  3. Step 3: Cross multiply
    1,022,327,428.82x = 1,530,345,938.09 × 667,036,684.37
  4. Step 4: Simplify right side
    1,022,327,428.82x = 1,020,796,880,481,490,048
  5. Step 5: Solve for x
    x = 1,020,796,880,481,490,048/1,022,327,428.82
  6. Step 6: Final answer
    x = 998,502,878.54

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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.