Home / 519,580,835.52-717,019,443-284,631,163.08

Finding the Fourth Proportional to 519,580,835.52, 717,019,443 and 284,631,163.08

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Solution

The fourth proportional to 519,580,835.52, 717,019,443 and 284,631,163.08 is: 392,789,849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,580,835.52 : 717,019,443 = 284,631,163.08 : x
  2. Step 2: Convert to fraction form
    519,580,835.52/717,019,443 = 284,631,163.08/x
  3. Step 3: Cross multiply
    519,580,835.52x = 717,019,443 × 284,631,163.08
  4. Step 4: Simplify right side
    519,580,835.52x = 204,086,078,012,063,744
  5. Step 5: Solve for x
    x = 204,086,078,012,063,744/519,580,835.52
  6. Step 6: Final answer
    x = 392,789,849.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.