Home / 629,856,817.60-944,785,226.40-476,801,809.60

Finding the Fourth Proportional to 629,856,817.60, 944,785,226.40 and 476,801,809.60

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Solution

The fourth proportional to 629,856,817.60, 944,785,226.40 and 476,801,809.60 is: 715,202,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,817.60 : 944,785,226.40 = 476,801,809.60 : x
  2. Step 2: Convert to fraction form
    629,856,817.60/944,785,226.40 = 476,801,809.60/x
  3. Step 3: Cross multiply
    629,856,817.60x = 944,785,226.40 × 476,801,809.60
  4. Step 4: Simplify right side
    629,856,817.60x = 450,475,305,630,865,728
  5. Step 5: Solve for x
    x = 450,475,305,630,865,728/629,856,817.60
  6. Step 6: Final answer
    x = 715,202,714.40

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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.