Home / 952,781,405.82-1,428,833,891.73-279,548,579.37

Finding the Fourth Proportional to 952,781,405.82, 1,428,833,891.73 and 279,548,579.37

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Solution

The fourth proportional to 952,781,405.82, 1,428,833,891.73 and 279,548,579.37 is: 419,223,635.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,781,405.82 : 1,428,833,891.73 = 279,548,579.37 : x
  2. Step 2: Convert to fraction form
    952,781,405.82/1,428,833,891.73 = 279,548,579.37/x
  3. Step 3: Cross multiply
    952,781,405.82x = 1,428,833,891.73 × 279,548,579.37
  4. Step 4: Simplify right side
    952,781,405.82x = 399,428,484,588,829,888
  5. Step 5: Solve for x
    x = 399,428,484,588,829,888/952,781,405.82
  6. Step 6: Final answer
    x = 419,223,635.29

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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.