Home / 516,469,745.32-774,245,829.77-201,262,809.19

Finding the Fourth Proportional to 516,469,745.32, 774,245,829.77 and 201,262,809.19

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Solution

The fourth proportional to 516,469,745.32, 774,245,829.77 and 201,262,809.19 is: 301,715,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,469,745.32 : 774,245,829.77 = 201,262,809.19 : x
  2. Step 2: Convert to fraction form
    516,469,745.32/774,245,829.77 = 201,262,809.19/x
  3. Step 3: Cross multiply
    516,469,745.32x = 774,245,829.77 × 201,262,809.19
  4. Step 4: Simplify right side
    516,469,745.32x = 155,826,890,701,853,856
  5. Step 5: Solve for x
    x = 155,826,890,701,853,856/516,469,745.32
  6. Step 6: Final answer
    x = 301,715,428.86

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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.