Home / 528,058,665.18-792,250,188.12-252,062,064.54

Finding the Fourth Proportional to 528,058,665.18, 792,250,188.12 and 252,062,064.54

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Solution

The fourth proportional to 528,058,665.18, 792,250,188.12 and 252,062,064.54 is: 378,170,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,058,665.18 : 792,250,188.12 = 252,062,064.54 : x
  2. Step 2: Convert to fraction form
    528,058,665.18/792,250,188.12 = 252,062,064.54/x
  3. Step 3: Cross multiply
    528,058,665.18x = 792,250,188.12 × 252,062,064.54
  4. Step 4: Simplify right side
    528,058,665.18x = 199,696,218,049,730,560
  5. Step 5: Solve for x
    x = 199,696,218,049,730,560/528,058,665.18
  6. Step 6: Final answer
    x = 378,170,516.30

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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.