Home / 14,378,879,427.80-21,568,319,141.70-11,927,983,760.60

Finding the Fourth Proportional to 14,378,879,427.80, 21,568,319,141.70 and 11,927,983,760.60

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Solution

The fourth proportional to 14,378,879,427.80, 21,568,319,141.70 and 11,927,983,760.60 is: 17,891,975,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378,879,427.80 : 21,568,319,141.70 = 11,927,983,760.60 : x
  2. Step 2: Convert to fraction form
    14,378,879,427.80/21,568,319,141.70 = 11,927,983,760.60/x
  3. Step 3: Cross multiply
    14,378,879,427.80x = 21,568,319,141.70 × 11,927,983,760.60
  4. Step 4: Simplify right side
    14,378,879,427.80x = 257,266,560,465,635,737,600
  5. Step 5: Solve for x
    x = 257,266,560,465,635,737,600/14,378,879,427.80
  6. Step 6: Final answer
    x = 17,891,975,640.90

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Double scale
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Similar ratio
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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.