Home / 629,856,820.80-944,785,231.20-476,801,812.80

Finding the Fourth Proportional to 629,856,820.80, 944,785,231.20 and 476,801,812.80

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Solution

The fourth proportional to 629,856,820.80, 944,785,231.20 and 476,801,812.80 is: 715,202,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,820.80 : 944,785,231.20 = 476,801,812.80 : x
  2. Step 2: Convert to fraction form
    629,856,820.80/944,785,231.20 = 476,801,812.80/x
  3. Step 3: Cross multiply
    629,856,820.80x = 944,785,231.20 × 476,801,812.80
  4. Step 4: Simplify right side
    629,856,820.80x = 450,475,310,942,827,136
  5. Step 5: Solve for x
    x = 450,475,310,942,827,136/629,856,820.80
  6. Step 6: Final answer
    x = 715,202,719.20

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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.