Home / 512,060,806.08-768,093,201.86-123,883,013.61

Finding the Fourth Proportional to 512,060,806.08, 768,093,201.86 and 123,883,013.61

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Solution

The fourth proportional to 512,060,806.08, 768,093,201.86 and 123,883,013.61 is: 185,825,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,060,806.08 : 768,093,201.86 = 123,883,013.61 : x
  2. Step 2: Convert to fraction form
    512,060,806.08/768,093,201.86 = 123,883,013.61/x
  3. Step 3: Cross multiply
    512,060,806.08x = 768,093,201.86 × 123,883,013.61
  4. Step 4: Simplify right side
    512,060,806.08x = 95,153,700,579,151,440
  5. Step 5: Solve for x
    x = 95,153,700,579,151,440/512,060,806.08
  6. Step 6: Final answer
    x = 185,825,002.52

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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.