Home / 55,889,469,841.20-77,134,231,753.56-31,809,346,427.76

Finding the Fourth Proportional to 55,889,469,841.20, 77,134,231,753.56 and 31,809,346,427.76

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Solution

The fourth proportional to 55,889,469,841.20, 77,134,231,753.56 and 31,809,346,427.76 is: 43,900,747,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,889,469,841.20 : 77,134,231,753.56 = 31,809,346,427.76 : x
  2. Step 2: Convert to fraction form
    55,889,469,841.20/77,134,231,753.56 = 31,809,346,427.76/x
  3. Step 3: Cross multiply
    55,889,469,841.20x = 77,134,231,753.56 × 31,809,346,427.76
  4. Step 4: Simplify right side
    55,889,469,841.20x = 2,453,589,499,288,115,740,672
  5. Step 5: Solve for x
    x = 2,453,589,499,288,115,740,672/55,889,469,841.20
  6. Step 6: Final answer
    x = 43,900,747,426.30

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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.