Home / 673,760,086.20-1,010,640,129.30-328,536,012.60

Finding the Fourth Proportional to 673,760,086.20, 1,010,640,129.30 and 328,536,012.60

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Solution

The fourth proportional to 673,760,086.20, 1,010,640,129.30 and 328,536,012.60 is: 492,804,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,760,086.20 : 1,010,640,129.30 = 328,536,012.60 : x
  2. Step 2: Convert to fraction form
    673,760,086.20/1,010,640,129.30 = 328,536,012.60/x
  3. Step 3: Cross multiply
    673,760,086.20x = 1,010,640,129.30 × 328,536,012.60
  4. Step 4: Simplify right side
    673,760,086.20x = 332,031,678,253,770,432
  5. Step 5: Solve for x
    x = 332,031,678,253,770,432/673,760,086.20
  6. Step 6: Final answer
    x = 492,804,018.90

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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.