Home / 55,889,469,843.20-77,134,231,756.32-31,809,346,429.76

Finding the Fourth Proportional to 55,889,469,843.20, 77,134,231,756.32 and 31,809,346,429.76

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Solution

The fourth proportional to 55,889,469,843.20, 77,134,231,756.32 and 31,809,346,429.76 is: 43,900,747,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,889,469,843.20 : 77,134,231,756.32 = 31,809,346,429.76 : x
  2. Step 2: Convert to fraction form
    55,889,469,843.20/77,134,231,756.32 = 31,809,346,429.76/x
  3. Step 3: Cross multiply
    55,889,469,843.20x = 77,134,231,756.32 × 31,809,346,429.76
  4. Step 4: Simplify right side
    55,889,469,843.20x = 2,453,589,499,530,177,937,408
  5. Step 5: Solve for x
    x = 2,453,589,499,530,177,937,408/55,889,469,843.20
  6. Step 6: Final answer
    x = 43,900,747,429.06

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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.