Home / 290,304,022.20-435,456,033.30-175,642,236.60

Finding the Fourth Proportional to 290,304,022.20, 435,456,033.30 and 175,642,236.60

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Solution

The fourth proportional to 290,304,022.20, 435,456,033.30 and 175,642,236.60 is: 263,463,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,304,022.20 : 435,456,033.30 = 175,642,236.60 : x
  2. Step 2: Convert to fraction form
    290,304,022.20/435,456,033.30 = 175,642,236.60/x
  3. Step 3: Cross multiply
    290,304,022.20x = 435,456,033.30 × 175,642,236.60
  4. Step 4: Simplify right side
    290,304,022.20x = 76,484,471,629,776,080
  5. Step 5: Solve for x
    x = 76,484,471,629,776,080/290,304,022.20
  6. Step 6: Final answer
    x = 263,463,354.90

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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.