Home / 419,904,809.80-629,857,214.70-333,173,638.60

Finding the Fourth Proportional to 419,904,809.80, 629,857,214.70 and 333,173,638.60

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Solution

The fourth proportional to 419,904,809.80, 629,857,214.70 and 333,173,638.60 is: 499,760,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,809.80 : 629,857,214.70 = 333,173,638.60 : x
  2. Step 2: Convert to fraction form
    419,904,809.80/629,857,214.70 = 333,173,638.60/x
  3. Step 3: Cross multiply
    419,904,809.80x = 629,857,214.70 × 333,173,638.60
  4. Step 4: Simplify right side
    419,904,809.80x = 209,851,820,020,060,448
  5. Step 5: Solve for x
    x = 209,851,820,020,060,448/419,904,809.80
  6. Step 6: Final answer
    x = 499,760,457.90

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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.