Home / 419,936,633.80-629,904,950.70-333,205,462.60

Finding the Fourth Proportional to 419,936,633.80, 629,904,950.70 and 333,205,462.60

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Solution

The fourth proportional to 419,936,633.80, 629,904,950.70 and 333,205,462.60 is: 499,808,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,936,633.80 : 629,904,950.70 = 333,205,462.60 : x
  2. Step 2: Convert to fraction form
    419,936,633.80/629,904,950.70 = 333,205,462.60/x
  3. Step 3: Cross multiply
    419,936,633.80x = 629,904,950.70 × 333,205,462.60
  4. Step 4: Simplify right side
    419,936,633.80x = 209,887,770,492,023,712
  5. Step 5: Solve for x
    x = 209,887,770,492,023,712/419,936,633.80
  6. Step 6: Final answer
    x = 499,808,193.90

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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.