Home / 639,576,022.20-959,364,033.30-639,576,022.20

Finding the Fourth Proportional to 639,576,022.20, 959,364,033.30 and 639,576,022.20

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Solution

The fourth proportional to 639,576,022.20, 959,364,033.30 and 639,576,022.20 is: 959,364,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,576,022.20 : 959,364,033.30 = 639,576,022.20 : x
  2. Step 2: Convert to fraction form
    639,576,022.20/959,364,033.30 = 639,576,022.20/x
  3. Step 3: Cross multiply
    639,576,022.20x = 959,364,033.30 × 639,576,022.20
  4. Step 4: Simplify right side
    639,576,022.20x = 613,586,232,259,762,304
  5. Step 5: Solve for x
    x = 613,586,232,259,762,304/639,576,022.20
  6. Step 6: Final answer
    x = 959,364,033.30

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Double scale
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Similar ratio
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1.5x scale

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.