Home / 7,531,980,812.32-10,394,228,711.76-4,145,279,910.56

Finding the Fourth Proportional to 7,531,980,812.32, 10,394,228,711.76 and 4,145,279,910.56

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Solution

The fourth proportional to 7,531,980,812.32, 10,394,228,711.76 and 4,145,279,910.56 is: 5,720,538,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531,980,812.32 : 10,394,228,711.76 = 4,145,279,910.56 : x
  2. Step 2: Convert to fraction form
    7,531,980,812.32/10,394,228,711.76 = 4,145,279,910.56/x
  3. Step 3: Cross multiply
    7,531,980,812.32x = 10,394,228,711.76 × 4,145,279,910.56
  4. Step 4: Simplify right side
    7,531,980,812.32x = 43,086,987,464,624,676,864
  5. Step 5: Solve for x
    x = 43,086,987,464,624,676,864/7,531,980,812.32
  6. Step 6: Final answer
    x = 5,720,538,665.49

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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.