Home / 419,904,467.10-629,856,700.65-413,102,022.30

Finding the Fourth Proportional to 419,904,467.10, 629,856,700.65 and 413,102,022.30

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Solution

The fourth proportional to 419,904,467.10, 629,856,700.65 and 413,102,022.30 is: 619,653,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,467.10 : 629,856,700.65 = 413,102,022.30 : x
  2. Step 2: Convert to fraction form
    419,904,467.10/629,856,700.65 = 413,102,022.30/x
  3. Step 3: Cross multiply
    419,904,467.10x = 629,856,700.65 × 413,102,022.30
  4. Step 4: Simplify right side
    419,904,467.10x = 260,195,076,797,720,736
  5. Step 5: Solve for x
    x = 260,195,076,797,720,736/419,904,467.10
  6. Step 6: Final answer
    x = 619,653,033.45

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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.