Home / 519,515,645.37-779,373,727.29-169,667,661.23

Finding the Fourth Proportional to 519,515,645.37, 779,373,727.29 and 169,667,661.23

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Solution

The fourth proportional to 519,515,645.37, 779,373,727.29 and 169,667,661.23 is: 254,534,235.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,515,645.37 : 779,373,727.29 = 169,667,661.23 : x
  2. Step 2: Convert to fraction form
    519,515,645.37/779,373,727.29 = 169,667,661.23/x
  3. Step 3: Cross multiply
    519,515,645.37x = 779,373,727.29 × 169,667,661.23
  4. Step 4: Simplify right side
    519,515,645.37x = 132,234,517,529,505,248
  5. Step 5: Solve for x
    x = 132,234,517,529,505,248/519,515,645.37
  6. Step 6: Final answer
    x = 254,534,235.32

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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.