Home / 31,285,211,481.61-43,174,410,091.74-17,012,873,836.63

Finding the Fourth Proportional to 31,285,211,481.61, 43,174,410,091.74 and 17,012,873,836.63

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Solution

The fourth proportional to 31,285,211,481.61, 43,174,410,091.74 and 17,012,873,836.63 is: 23,478,210,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285,211,481.61 : 43,174,410,091.74 = 17,012,873,836.63 : x
  2. Step 2: Convert to fraction form
    31,285,211,481.61/43,174,410,091.74 = 17,012,873,836.63/x
  3. Step 3: Cross multiply
    31,285,211,481.61x = 43,174,410,091.74 × 17,012,873,836.63
  4. Step 4: Simplify right side
    31,285,211,481.61x = 734,520,791,861,697,576,960
  5. Step 5: Solve for x
    x = 734,520,791,861,697,576,960/31,285,211,481.61
  6. Step 6: Final answer
    x = 23,478,210,856.70

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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.