Home / 488,341,670.31-731,659,539.83-406,983,367.62

Finding the Fourth Proportional to 488,341,670.31, 731,659,539.83 and 406,983,367.62

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Solution

The fourth proportional to 488,341,670.31, 731,659,539.83 and 406,983,367.62 is: 609,764,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,341,670.31 : 731,659,539.83 = 406,983,367.62 : x
  2. Step 2: Convert to fraction form
    488,341,670.31/731,659,539.83 = 406,983,367.62/x
  3. Step 3: Cross multiply
    488,341,670.31x = 731,659,539.83 × 406,983,367.62
  4. Step 4: Simplify right side
    488,341,670.31x = 297,773,263,469,278,016
  5. Step 5: Solve for x
    x = 297,773,263,469,278,016/488,341,670.31
  6. Step 6: Final answer
    x = 609,764,190.88

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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.