Home / 1,978,737,470.77-2,968,208,360.97-504,890,177.17

Finding the Fourth Proportional to 1,978,737,470.77, 2,968,208,360.97 and 504,890,177.17

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Solution

The fourth proportional to 1,978,737,470.77, 2,968,208,360.97 and 504,890,177.17 is: 757,361,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,737,470.77 : 2,968,208,360.97 = 504,890,177.17 : x
  2. Step 2: Convert to fraction form
    1,978,737,470.77/2,968,208,360.97 = 504,890,177.17/x
  3. Step 3: Cross multiply
    1,978,737,470.77x = 2,968,208,360.97 × 504,890,177.17
  4. Step 4: Simplify right side
    1,978,737,470.77x = 1,498,619,245,247,618,560
  5. Step 5: Solve for x
    x = 1,498,619,245,247,618,560/1,978,737,470.77
  6. Step 6: Final answer
    x = 757,361,331.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.