Home / 3,927,472,571.80-5,419,910,717.49-2,143,326,029.07

Finding the Fourth Proportional to 3,927,472,571.80, 5,419,910,717.49 and 2,143,326,029.07

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Solution

The fourth proportional to 3,927,472,571.80, 5,419,910,717.49 and 2,143,326,029.07 is: 2,957,789,138.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,472,571.80 : 5,419,910,717.49 = 2,143,326,029.07 : x
  2. Step 2: Convert to fraction form
    3,927,472,571.80/5,419,910,717.49 = 2,143,326,029.07/x
  3. Step 3: Cross multiply
    3,927,472,571.80x = 5,419,910,717.49 × 2,143,326,029.07
  4. Step 4: Simplify right side
    3,927,472,571.80x = 11,616,635,716,060,946,432
  5. Step 5: Solve for x
    x = 11,616,635,716,060,946,432/3,927,472,571.80
  6. Step 6: Final answer
    x = 2,957,789,138.86

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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.