Home / 327,489,320.86-451,931,835.20-178,809,981.13

Finding the Fourth Proportional to 327,489,320.86, 451,931,835.20 and 178,809,981.13

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Solution

The fourth proportional to 327,489,320.86, 451,931,835.20 and 178,809,981.13 is: 246,755,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,489,320.86 : 451,931,835.20 = 178,809,981.13 : x
  2. Step 2: Convert to fraction form
    327,489,320.86/451,931,835.20 = 178,809,981.13/x
  3. Step 3: Cross multiply
    327,489,320.86x = 451,931,835.20 × 178,809,981.13
  4. Step 4: Simplify right side
    327,489,320.86x = 80,809,922,924,335,168
  5. Step 5: Solve for x
    x = 80,809,922,924,335,168/327,489,320.86
  6. Step 6: Final answer
    x = 246,755,902.49

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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.