Home / 682,245,494.31-941,498,783.63-368,979,708.24

Finding the Fourth Proportional to 682,245,494.31, 941,498,783.63 and 368,979,708.24

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Solution

The fourth proportional to 682,245,494.31, 941,498,783.63 and 368,979,708.24 is: 509,191,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,245,494.31 : 941,498,783.63 = 368,979,708.24 : x
  2. Step 2: Convert to fraction form
    682,245,494.31/941,498,783.63 = 368,979,708.24/x
  3. Step 3: Cross multiply
    682,245,494.31x = 941,498,783.63 × 368,979,708.24
  4. Step 4: Simplify right side
    682,245,494.31x = 347,393,946,492,112,320
  5. Step 5: Solve for x
    x = 347,393,946,492,112,320/682,245,494.31
  6. Step 6: Final answer
    x = 509,191,998.17

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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.