Home / 2,120,699,441,778.10-3,181,049,204,704.80-509,033,322,820.15

Finding the Fourth Proportional to 2,120,699,441,778.10, 3,181,049,204,704.80 and 509,033,322,820.15

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Solution

The fourth proportional to 2,120,699,441,778.10, 3,181,049,204,704.80 and 509,033,322,820.15 is: 763,549,994,320.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,699,441,778.10 : 3,181,049,204,704.80 = 509,033,322,820.15 : x
  2. Step 2: Convert to fraction form
    2,120,699,441,778.10/3,181,049,204,704.80 = 509,033,322,820.15/x
  3. Step 3: Cross multiply
    2,120,699,441,778.10x = 3,181,049,204,704.80 × 509,033,322,820.15
  4. Step 4: Simplify right side
    2,120,699,441,778.10x = 1,619,260,046,725,279,935,102,976
  5. Step 5: Solve for x
    x = 1,619,260,046,725,279,935,102,976/2,120,699,441,778.10
  6. Step 6: Final answer
    x = 763,549,994,320.56

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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.