Home / 1,115,638,114.40-1,673,520,157.20-339,309,101.60

Finding the Fourth Proportional to 1,115,638,114.40, 1,673,520,157.20 and 339,309,101.60

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Solution

The fourth proportional to 1,115,638,114.40, 1,673,520,157.20 and 339,309,101.60 is: 508,982,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,638,114.40 : 1,673,520,157.20 = 339,309,101.60 : x
  2. Step 2: Convert to fraction form
    1,115,638,114.40/1,673,520,157.20 = 339,309,101.60/x
  3. Step 3: Cross multiply
    1,115,638,114.40x = 1,673,520,157.20 × 339,309,101.60
  4. Step 4: Simplify right side
    1,115,638,114.40x = 567,840,621,049,022,848
  5. Step 5: Solve for x
    x = 567,840,621,049,022,848/1,115,638,114.40
  6. Step 6: Final answer
    x = 508,982,808.78

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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.