Home / 715,914,991,324.30-989,255,022,327.18-509,791,377,241.30

Finding the Fourth Proportional to 715,914,991,324.30, 989,255,022,327.18 and 509,791,377,241.30

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Solution

The fourth proportional to 715,914,991,324.30, 989,255,022,327.18 and 509,791,377,241.30 is: 704,432,350,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,914,991,324.30 : 989,255,022,327.18 = 509,791,377,241.30 : x
  2. Step 2: Convert to fraction form
    715,914,991,324.30/989,255,022,327.18 = 509,791,377,241.30/x
  3. Step 3: Cross multiply
    715,914,991,324.30x = 989,255,022,327.18 × 509,791,377,241.30
  4. Step 4: Simplify right side
    715,914,991,324.30x = 504,313,680,275,046,089,621,504
  5. Step 5: Solve for x
    x = 504,313,680,275,046,089,621,504/715,914,991,324.30
  6. Step 6: Final answer
    x = 704,432,350,749.03

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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.