Home / 721,504,846.80-1,082,894,999.40-618,192,716.40

Finding the Fourth Proportional to 721,504,846.80, 1,082,894,999.40 and 618,192,716.40

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Solution

The fourth proportional to 721,504,846.80, 1,082,894,999.40 and 618,192,716.40 is: 927,835,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,504,846.80 : 1,082,894,999.40 = 618,192,716.40 : x
  2. Step 2: Convert to fraction form
    721,504,846.80/1,082,894,999.40 = 618,192,716.40/x
  3. Step 3: Cross multiply
    721,504,846.80x = 1,082,894,999.40 × 618,192,716.40
  4. Step 4: Simplify right side
    721,504,846.80x = 669,437,801,255,062,400
  5. Step 5: Solve for x
    x = 669,437,801,255,062,400/721,504,846.80
  6. Step 6: Final answer
    x = 927,835,487.49

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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.