Home / 7,531,980,809.32-10,394,228,707.62-4,145,279,907.56

Finding the Fourth Proportional to 7,531,980,809.32, 10,394,228,707.62 and 4,145,279,907.56

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Solution

The fourth proportional to 7,531,980,809.32, 10,394,228,707.62 and 4,145,279,907.56 is: 5,720,538,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531,980,809.32 : 10,394,228,707.62 = 4,145,279,907.56 : x
  2. Step 2: Convert to fraction form
    7,531,980,809.32/10,394,228,707.62 = 4,145,279,907.56/x
  3. Step 3: Cross multiply
    7,531,980,809.32x = 10,394,228,707.62 × 4,145,279,907.56
  4. Step 4: Simplify right side
    7,531,980,809.32x = 43,086,987,416,280,530,944
  5. Step 5: Solve for x
    x = 43,086,987,416,280,530,944/7,531,980,809.32
  6. Step 6: Final answer
    x = 5,720,538,661.35

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1.5x scale

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.