Home / 1,218,383,401.52-1,679,745,172.92-968,322,793.52

Finding the Fourth Proportional to 1,218,383,401.52, 1,679,745,172.92 and 968,322,793.52

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Solution

The fourth proportional to 1,218,383,401.52, 1,679,745,172.92 and 968,322,793.52 is: 1,334,994,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,383,401.52 : 1,679,745,172.92 = 968,322,793.52 : x
  2. Step 2: Convert to fraction form
    1,218,383,401.52/1,679,745,172.92 = 968,322,793.52/x
  3. Step 3: Cross multiply
    1,218,383,401.52x = 1,679,745,172.92 × 968,322,793.52
  4. Step 4: Simplify right side
    1,218,383,401.52x = 1,626,535,538,243,629,824
  5. Step 5: Solve for x
    x = 1,626,535,538,243,629,824/1,218,383,401.52
  6. Step 6: Final answer
    x = 1,334,994,826.93

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1.5x scale

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.