Home / 3,491,576,115.36-5,238,054,127.44-1,280,806,355.76

Finding the Fourth Proportional to 3,491,576,115.36, 5,238,054,127.44 and 1,280,806,355.76

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Solution

The fourth proportional to 3,491,576,115.36, 5,238,054,127.44 and 1,280,806,355.76 is: 1,921,462,627.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491,576,115.36 : 5,238,054,127.44 = 1,280,806,355.76 : x
  2. Step 2: Convert to fraction form
    3,491,576,115.36/5,238,054,127.44 = 1,280,806,355.76/x
  3. Step 3: Cross multiply
    3,491,576,115.36x = 5,238,054,127.44 × 1,280,806,355.76
  4. Step 4: Simplify right side
    3,491,576,115.36x = 6,708,933,018,240,052,224
  5. Step 5: Solve for x
    x = 6,708,933,018,240,052,224/3,491,576,115.36
  6. Step 6: Final answer
    x = 1,921,462,627.93

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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.