Home / 419,864,882.06-629,795,080.96-108,972,270.67

Finding the Fourth Proportional to 419,864,882.06, 629,795,080.96 and 108,972,270.67

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Solution

The fourth proportional to 419,864,882.06, 629,795,080.96 and 108,972,270.67 is: 163,457,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,864,882.06 : 629,795,080.96 = 108,972,270.67 : x
  2. Step 2: Convert to fraction form
    419,864,882.06/629,795,080.96 = 108,972,270.67/x
  3. Step 3: Cross multiply
    419,864,882.06x = 629,795,080.96 × 108,972,270.67
  4. Step 4: Simplify right side
    419,864,882.06x = 68,630,200,029,007,688
  5. Step 5: Solve for x
    x = 68,630,200,029,007,688/419,864,882.06
  6. Step 6: Final answer
    x = 163,457,824.08

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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.