Home / 253,468,224,004.70-380,202,336,007.05-212,556,620,366.30

Finding the Fourth Proportional to 253,468,224,004.70, 380,202,336,007.05 and 212,556,620,366.30

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Solution

The fourth proportional to 253,468,224,004.70, 380,202,336,007.05 and 212,556,620,366.30 is: 318,834,930,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,468,224,004.70 : 380,202,336,007.05 = 212,556,620,366.30 : x
  2. Step 2: Convert to fraction form
    253,468,224,004.70/380,202,336,007.05 = 212,556,620,366.30/x
  3. Step 3: Cross multiply
    253,468,224,004.70x = 380,202,336,007.05 × 212,556,620,366.30
  4. Step 4: Simplify right side
    253,468,224,004.70x = 80,814,523,597,030,946,766,848
  5. Step 5: Solve for x
    x = 80,814,523,597,030,946,766,848/253,468,224,004.70
  6. Step 6: Final answer
    x = 318,834,930,549.45

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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.