Home / 465,056,971.43-641,347,530.30-339,410,147.27

Finding the Fourth Proportional to 465,056,971.43, 641,347,530.30 and 339,410,147.27

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Solution

The fourth proportional to 465,056,971.43, 641,347,530.30 and 339,410,147.27 is: 468,071,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,056,971.43 : 641,347,530.30 = 339,410,147.27 : x
  2. Step 2: Convert to fraction form
    465,056,971.43/641,347,530.30 = 339,410,147.27/x
  3. Step 3: Cross multiply
    465,056,971.43x = 641,347,530.30 × 339,410,147.27
  4. Step 4: Simplify right side
    465,056,971.43x = 217,679,859,708,117,408
  5. Step 5: Solve for x
    x = 217,679,859,708,117,408/465,056,971.43
  6. Step 6: Final answer
    x = 468,071,382.83

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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.