Home / 866,052,512.20-1,299,078,768.30-406,037,182.60

Finding the Fourth Proportional to 866,052,512.20, 1,299,078,768.30 and 406,037,182.60

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Solution

The fourth proportional to 866,052,512.20, 1,299,078,768.30 and 406,037,182.60 is: 609,055,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,052,512.20 : 1,299,078,768.30 = 406,037,182.60 : x
  2. Step 2: Convert to fraction form
    866,052,512.20/1,299,078,768.30 = 406,037,182.60/x
  3. Step 3: Cross multiply
    866,052,512.20x = 1,299,078,768.30 × 406,037,182.60
  4. Step 4: Simplify right side
    866,052,512.20x = 527,474,283,056,010,176
  5. Step 5: Solve for x
    x = 527,474,283,056,010,176/866,052,512.20
  6. Step 6: Final answer
    x = 609,055,773.90

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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.