Home / 1,131,179,157.54-1,561,002,770.34-654,889,611.96

Finding the Fourth Proportional to 1,131,179,157.54, 1,561,002,770.34 and 654,889,611.96

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Solution

The fourth proportional to 1,131,179,157.54, 1,561,002,770.34 and 654,889,611.96 is: 903,733,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,179,157.54 : 1,561,002,770.34 = 654,889,611.96 : x
  2. Step 2: Convert to fraction form
    1,131,179,157.54/1,561,002,770.34 = 654,889,611.96/x
  3. Step 3: Cross multiply
    1,131,179,157.54x = 1,561,002,770.34 × 654,889,611.96
  4. Step 4: Simplify right side
    1,131,179,157.54x = 1,022,284,498,536,447,616
  5. Step 5: Solve for x
    x = 1,022,284,498,536,447,616/1,131,179,157.54
  6. Step 6: Final answer
    x = 903,733,499.44

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Double scale
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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.