Home / 1,119,744,135.20-1,679,616,202.80-343,383,629.60

Finding the Fourth Proportional to 1,119,744,135.20, 1,679,616,202.80 and 343,383,629.60

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Solution

The fourth proportional to 1,119,744,135.20, 1,679,616,202.80 and 343,383,629.60 is: 515,075,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,744,135.20 : 1,679,616,202.80 = 343,383,629.60 : x
  2. Step 2: Convert to fraction form
    1,119,744,135.20/1,679,616,202.80 = 343,383,629.60/x
  3. Step 3: Cross multiply
    1,119,744,135.20x = 1,679,616,202.80 × 343,383,629.60
  4. Step 4: Simplify right side
    1,119,744,135.20x = 576,752,708,052,433,664
  5. Step 5: Solve for x
    x = 576,752,708,052,433,664/1,119,744,135.20
  6. Step 6: Final answer
    x = 515,075,444.40

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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.