Home / 887,123,494.20-1,330,685,241.30-657,540,982.20

Finding the Fourth Proportional to 887,123,494.20, 1,330,685,241.30 and 657,540,982.20

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Solution

The fourth proportional to 887,123,494.20, 1,330,685,241.30 and 657,540,982.20 is: 986,311,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,123,494.20 : 1,330,685,241.30 = 657,540,982.20 : x
  2. Step 2: Convert to fraction form
    887,123,494.20/1,330,685,241.30 = 657,540,982.20/x
  3. Step 3: Cross multiply
    887,123,494.20x = 1,330,685,241.30 × 657,540,982.20
  4. Step 4: Simplify right side
    887,123,494.20x = 874,980,080,563,446,016
  5. Step 5: Solve for x
    x = 874,980,080,563,446,016/887,123,494.20
  6. Step 6: Final answer
    x = 986,311,473.30

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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.