Home / 797,328,015.40-1,195,992,023.10-489,622,364.20

Finding the Fourth Proportional to 797,328,015.40, 1,195,992,023.10 and 489,622,364.20

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Solution

The fourth proportional to 797,328,015.40, 1,195,992,023.10 and 489,622,364.20 is: 734,433,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,328,015.40 : 1,195,992,023.10 = 489,622,364.20 : x
  2. Step 2: Convert to fraction form
    797,328,015.40/1,195,992,023.10 = 489,622,364.20/x
  3. Step 3: Cross multiply
    797,328,015.40x = 1,195,992,023.10 × 489,622,364.20
  4. Step 4: Simplify right side
    797,328,015.40x = 585,584,441,914,562,944
  5. Step 5: Solve for x
    x = 585,584,441,914,562,944/797,328,015.40
  6. Step 6: Final answer
    x = 734,433,546.30

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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.