Home / 655,351,406.10-982,365,760.35-327,322,401.30

Finding the Fourth Proportional to 655,351,406.10, 982,365,760.35 and 327,322,401.30

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Solution

The fourth proportional to 655,351,406.10, 982,365,760.35 and 327,322,401.30 is: 490,653,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,351,406.10 : 982,365,760.35 = 327,322,401.30 : x
  2. Step 2: Convert to fraction form
    655,351,406.10/982,365,760.35 = 327,322,401.30/x
  3. Step 3: Cross multiply
    655,351,406.10x = 982,365,760.35 × 327,322,401.30
  4. Step 4: Simplify right side
    655,351,406.10x = 321,550,319,632,662,336
  5. Step 5: Solve for x
    x = 321,550,319,632,662,336/655,351,406.10
  6. Step 6: Final answer
    x = 490,653,284.08

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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.