Home / 55,889,469,841.45-77,134,231,753.91-31,809,346,428.01

Finding the Fourth Proportional to 55,889,469,841.45, 77,134,231,753.91 and 31,809,346,428.01

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Solution

The fourth proportional to 55,889,469,841.45, 77,134,231,753.91 and 31,809,346,428.01 is: 43,900,747,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,889,469,841.45 : 77,134,231,753.91 = 31,809,346,428.01 : x
  2. Step 2: Convert to fraction form
    55,889,469,841.45/77,134,231,753.91 = 31,809,346,428.01/x
  3. Step 3: Cross multiply
    55,889,469,841.45x = 77,134,231,753.91 × 31,809,346,428.01
  4. Step 4: Simplify right side
    55,889,469,841.45x = 2,453,589,499,318,373,449,728
  5. Step 5: Solve for x
    x = 2,453,589,499,318,373,449,728/55,889,469,841.45
  6. Step 6: Final answer
    x = 43,900,747,426.64

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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.