Home / 325,758,081.40-488,660,741.70-196,086,477.40

Finding the Fourth Proportional to 325,758,081.40, 488,660,741.70 and 196,086,477.40

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Solution

The fourth proportional to 325,758,081.40, 488,660,741.70 and 196,086,477.40 is: 294,143,933.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,758,081.40 : 488,660,741.70 = 196,086,477.40 : x
  2. Step 2: Convert to fraction form
    325,758,081.40/488,660,741.70 = 196,086,477.40/x
  3. Step 3: Cross multiply
    325,758,081.40x = 488,660,741.70 × 196,086,477.40
  4. Step 4: Simplify right side
    325,758,081.40x = 95,819,763,483,624,288
  5. Step 5: Solve for x
    x = 95,819,763,483,624,288/325,758,081.40
  6. Step 6: Final answer
    x = 294,143,933.66

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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.