Home / 1,929,393,760-2,662,564,701.36-1,082,504,172.64

Finding the Fourth Proportional to 1,929,393,760, 2,662,564,701.36 and 1,082,504,172.64

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Solution

The fourth proportional to 1,929,393,760, 2,662,564,701.36 and 1,082,504,172.64 is: 1,493,856,494.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,393,760 : 2,662,564,701.36 = 1,082,504,172.64 : x
  2. Step 2: Convert to fraction form
    1,929,393,760/2,662,564,701.36 = 1,082,504,172.64/x
  3. Step 3: Cross multiply
    1,929,393,760x = 2,662,564,701.36 × 1,082,504,172.64
  4. Step 4: Simplify right side
    1,929,393,760x = 2,882,237,399,146,176,000
  5. Step 5: Solve for x
    x = 2,882,237,399,146,176,000/1,929,393,760
  6. Step 6: Final answer
    x = 1,493,856,494.67

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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.