Home / 1,439,471,477.70-2,155,978,712.48-1,439,471,477.70

Finding the Fourth Proportional to 1,439,471,477.70, 2,155,978,712.48 and 1,439,471,477.70

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Solution

The fourth proportional to 1,439,471,477.70, 2,155,978,712.48 and 1,439,471,477.70 is: 2,155,978,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,471,477.70 : 2,155,978,712.48 = 1,439,471,477.70 : x
  2. Step 2: Convert to fraction form
    1,439,471,477.70/2,155,978,712.48 = 1,439,471,477.70/x
  3. Step 3: Cross multiply
    1,439,471,477.70x = 2,155,978,712.48 × 1,439,471,477.70
  4. Step 4: Simplify right side
    1,439,471,477.70x = 3,103,469,863,136,131,584
  5. Step 5: Solve for x
    x = 3,103,469,863,136,131,584/1,439,471,477.70
  6. Step 6: Final answer
    x = 2,155,978,712.48

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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.