Home / 522,218,498.48-783,161,558.09-172,399,432.36

Finding the Fourth Proportional to 522,218,498.48, 783,161,558.09 and 172,399,432.36

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Solution

The fourth proportional to 522,218,498.48, 783,161,558.09 and 172,399,432.36 is: 258,544,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,218,498.48 : 783,161,558.09 = 172,399,432.36 : x
  2. Step 2: Convert to fraction form
    522,218,498.48/783,161,558.09 = 172,399,432.36/x
  3. Step 3: Cross multiply
    522,218,498.48x = 783,161,558.09 × 172,399,432.36
  4. Step 4: Simplify right side
    522,218,498.48x = 135,016,608,059,362,240
  5. Step 5: Solve for x
    x = 135,016,608,059,362,240/522,218,498.48
  6. Step 6: Final answer
    x = 258,544,284.54

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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.