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Finding the Fourth Proportional to 505,503,104.80, 708,659,861.60 and 505,503,104.80

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Solution

The fourth proportional to 505,503,104.80, 708,659,861.60 and 505,503,104.80 is: 708,659,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,503,104.80 : 708,659,861.60 = 505,503,104.80 : x
  2. Step 2: Convert to fraction form
    505,503,104.80/708,659,861.60 = 505,503,104.80/x
  3. Step 3: Cross multiply
    505,503,104.80x = 708,659,861.60 × 505,503,104.80
  4. Step 4: Simplify right side
    505,503,104.80x = 358,229,760,285,938,304
  5. Step 5: Solve for x
    x = 358,229,760,285,938,304/505,503,104.80
  6. Step 6: Final answer
    x = 708,659,861.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.