Home / 966,654,005.40-1,449,981,008.10-599,321,986.20

Finding the Fourth Proportional to 966,654,005.40, 1,449,981,008.10 and 599,321,986.20

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Solution

The fourth proportional to 966,654,005.40, 1,449,981,008.10 and 599,321,986.20 is: 898,982,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,654,005.40 : 1,449,981,008.10 = 599,321,986.20 : x
  2. Step 2: Convert to fraction form
    966,654,005.40/1,449,981,008.10 = 599,321,986.20/x
  3. Step 3: Cross multiply
    966,654,005.40x = 1,449,981,008.10 × 599,321,986.20
  4. Step 4: Simplify right side
    966,654,005.40x = 869,005,497,726,770,304
  5. Step 5: Solve for x
    x = 869,005,497,726,770,304/966,654,005.40
  6. Step 6: Final answer
    x = 898,982,979.30

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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.