Home / 742,296,080.45-1,024,350,724.11-412,271,481.89

Finding the Fourth Proportional to 742,296,080.45, 1,024,350,724.11 and 412,271,481.89

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Solution

The fourth proportional to 742,296,080.45, 1,024,350,724.11 and 412,271,481.89 is: 568,924,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,296,080.45 : 1,024,350,724.11 = 412,271,481.89 : x
  2. Step 2: Convert to fraction form
    742,296,080.45/1,024,350,724.11 = 412,271,481.89/x
  3. Step 3: Cross multiply
    742,296,080.45x = 1,024,350,724.11 × 412,271,481.89
  4. Step 4: Simplify right side
    742,296,080.45x = 422,310,590,996,741,120
  5. Step 5: Solve for x
    x = 422,310,590,996,741,120/742,296,080.45
  6. Step 6: Final answer
    x = 568,924,721.71

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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.