Home / 482,062,789.88-664,574,179.44-323,321,280.14

Finding the Fourth Proportional to 482,062,789.88, 664,574,179.44 and 323,321,280.14

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Solution

The fourth proportional to 482,062,789.88, 664,574,179.44 and 323,321,280.14 is: 445,732,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,062,789.88 : 664,574,179.44 = 323,321,280.14 : x
  2. Step 2: Convert to fraction form
    482,062,789.88/664,574,179.44 = 323,321,280.14/x
  3. Step 3: Cross multiply
    482,062,789.88x = 664,574,179.44 × 323,321,280.14
  4. Step 4: Simplify right side
    482,062,789.88x = 214,870,974,445,141,504
  5. Step 5: Solve for x
    x = 214,870,974,445,141,504/482,062,789.88
  6. Step 6: Final answer
    x = 445,732,338.10

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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.