Home / 31,863,412,861.80-47,771,556,815.24-19,269,471,458.88

Finding the Fourth Proportional to 31,863,412,861.80, 47,771,556,815.24 and 19,269,471,458.88

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Solution

The fourth proportional to 31,863,412,861.80, 47,771,556,815.24 and 19,269,471,458.88 is: 28,889,957,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,863,412,861.80 : 47,771,556,815.24 = 19,269,471,458.88 : x
  2. Step 2: Convert to fraction form
    31,863,412,861.80/47,771,556,815.24 = 19,269,471,458.88/x
  3. Step 3: Cross multiply
    31,863,412,861.80x = 47,771,556,815.24 × 19,269,471,458.88
  4. Step 4: Simplify right side
    31,863,412,861.80x = 920,532,650,597,531,516,928
  5. Step 5: Solve for x
    x = 920,532,650,597,531,516,928/31,863,412,861.80
  6. Step 6: Final answer
    x = 28,889,957,726.44

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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.