Home / 629,856,644.40-944,784,966.60-169,841,314.80

Finding the Fourth Proportional to 629,856,644.40, 944,784,966.60 and 169,841,314.80

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Solution

The fourth proportional to 629,856,644.40, 944,784,966.60 and 169,841,314.80 is: 254,761,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,644.40 : 944,784,966.60 = 169,841,314.80 : x
  2. Step 2: Convert to fraction form
    629,856,644.40/944,784,966.60 = 169,841,314.80/x
  3. Step 3: Cross multiply
    629,856,644.40x = 944,784,966.60 × 169,841,314.80
  4. Step 4: Simplify right side
    629,856,644.40x = 160,463,520,930,618,112
  5. Step 5: Solve for x
    x = 160,463,520,930,618,112/629,856,644.40
  6. Step 6: Final answer
    x = 254,761,972.20

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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.