Home / 408,093,313.60-612,304,015.20-165,775,182.40

Finding the Fourth Proportional to 408,093,313.60, 612,304,015.20 and 165,775,182.40

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Solution

The fourth proportional to 408,093,313.60, 612,304,015.20 and 165,775,182.40 is: 248,729,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,093,313.60 : 612,304,015.20 = 165,775,182.40 : x
  2. Step 2: Convert to fraction form
    408,093,313.60/612,304,015.20 = 165,775,182.40/x
  3. Step 3: Cross multiply
    408,093,313.60x = 612,304,015.20 × 165,775,182.40
  4. Step 4: Simplify right side
    408,093,313.60x = 101,504,809,804,032,384
  5. Step 5: Solve for x
    x = 101,504,809,804,032,384/408,093,313.60
  6. Step 6: Final answer
    x = 248,729,411.68

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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.