Home / 436,845,388.20-655,270,531.62-145,711,711.56

Finding the Fourth Proportional to 436,845,388.20, 655,270,531.62 and 145,711,711.56

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Solution

The fourth proportional to 436,845,388.20, 655,270,531.62 and 145,711,711.56 is: 218,568,384.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,845,388.20 : 655,270,531.62 = 145,711,711.56 : x
  2. Step 2: Convert to fraction form
    436,845,388.20/655,270,531.62 = 145,711,711.56/x
  3. Step 3: Cross multiply
    436,845,388.20x = 655,270,531.62 × 145,711,711.56
  4. Step 4: Simplify right side
    436,845,388.20x = 95,480,590,697,181,296
  5. Step 5: Solve for x
    x = 95,480,590,697,181,296/436,845,388.20
  6. Step 6: Final answer
    x = 218,568,384.32

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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.