Home / 31,160,616,045.87-43,022,759,028.92-19,739,320,280.85

Finding the Fourth Proportional to 31,160,616,045.87, 43,022,759,028.92 and 19,739,320,280.85

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Solution

The fourth proportional to 31,160,616,045.87, 43,022,759,028.92 and 19,739,320,280.85 is: 27,253,633,836.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160,616,045.87 : 43,022,759,028.92 = 19,739,320,280.85 : x
  2. Step 2: Convert to fraction form
    31,160,616,045.87/43,022,759,028.92 = 19,739,320,280.85/x
  3. Step 3: Cross multiply
    31,160,616,045.87x = 43,022,759,028.92 × 19,739,320,280.85
  4. Step 4: Simplify right side
    31,160,616,045.87x = 849,240,019,837,682,843,648
  5. Step 5: Solve for x
    x = 849,240,019,837,682,843,648/31,160,616,045.87
  6. Step 6: Final answer
    x = 27,253,633,836.62

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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.