Home / 1,304,137,982.44-1,800,536,533.86-809,625,439.72

Finding the Fourth Proportional to 1,304,137,982.44, 1,800,536,533.86 and 809,625,439.72

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Solution

The fourth proportional to 1,304,137,982.44, 1,800,536,533.86 and 809,625,439.72 is: 1,117,795,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,137,982.44 : 1,800,536,533.86 = 809,625,439.72 : x
  2. Step 2: Convert to fraction form
    1,304,137,982.44/1,800,536,533.86 = 809,625,439.72/x
  3. Step 3: Cross multiply
    1,304,137,982.44x = 1,800,536,533.86 × 809,625,439.72
  4. Step 4: Simplify right side
    1,304,137,982.44x = 1,457,760,182,958,327,040
  5. Step 5: Solve for x
    x = 1,457,760,182,958,327,040/1,304,137,982.44
  6. Step 6: Final answer
    x = 1,117,795,971.43

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Double scale
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1.5x scale

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.