Home / 18,085,863,789.50-27,131,886,375.35-7,456,277,431.13

Finding the Fourth Proportional to 18,085,863,789.50, 27,131,886,375.35 and 7,456,277,431.13

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Solution

The fourth proportional to 18,085,863,789.50, 27,131,886,375.35 and 7,456,277,431.13 is: 11,185,690,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085,863,789.50 : 27,131,886,375.35 = 7,456,277,431.13 : x
  2. Step 2: Convert to fraction form
    18,085,863,789.50/27,131,886,375.35 = 7,456,277,431.13/x
  3. Step 3: Cross multiply
    18,085,863,789.50x = 27,131,886,375.35 × 7,456,277,431.13
  4. Step 4: Simplify right side
    18,085,863,789.50x = 202,302,872,044,332,810,240
  5. Step 5: Solve for x
    x = 202,302,872,044,332,810,240/18,085,863,789.50
  6. Step 6: Final answer
    x = 11,185,690,349.05

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1.5x scale

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.