Home / 521,693,999.20-782,540,998.80-496,184,831.20

Finding the Fourth Proportional to 521,693,999.20, 782,540,998.80 and 496,184,831.20

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Solution

The fourth proportional to 521,693,999.20, 782,540,998.80 and 496,184,831.20 is: 744,277,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,693,999.20 : 782,540,998.80 = 496,184,831.20 : x
  2. Step 2: Convert to fraction form
    521,693,999.20/782,540,998.80 = 496,184,831.20/x
  3. Step 3: Cross multiply
    521,693,999.20x = 782,540,998.80 × 496,184,831.20
  4. Step 4: Simplify right side
    521,693,999.20x = 388,284,973,396,657,344
  5. Step 5: Solve for x
    x = 388,284,973,396,657,344/521,693,999.20
  6. Step 6: Final answer
    x = 744,277,246.80

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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.