Home / 419,904,420.30-629,856,630.45-236,238,410.70

Finding the Fourth Proportional to 419,904,420.30, 629,856,630.45 and 236,238,410.70

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Solution

The fourth proportional to 419,904,420.30, 629,856,630.45 and 236,238,410.70 is: 354,357,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,420.30 : 629,856,630.45 = 236,238,410.70 : x
  2. Step 2: Convert to fraction form
    419,904,420.30/629,856,630.45 = 236,238,410.70/x
  3. Step 3: Cross multiply
    419,904,420.30x = 629,856,630.45 × 236,238,410.70
  4. Step 4: Simplify right side
    419,904,420.30x = 148,796,329,346,365,216
  5. Step 5: Solve for x
    x = 148,796,329,346,365,216/419,904,420.30
  6. Step 6: Final answer
    x = 354,357,616.05

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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.