Home / 419,904,812.60-629,857,218.90-113,227,926.20

Finding the Fourth Proportional to 419,904,812.60, 629,857,218.90 and 113,227,926.20

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Solution

The fourth proportional to 419,904,812.60, 629,857,218.90 and 113,227,926.20 is: 169,841,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,812.60 : 629,857,218.90 = 113,227,926.20 : x
  2. Step 2: Convert to fraction form
    419,904,812.60/629,857,218.90 = 113,227,926.20/x
  3. Step 3: Cross multiply
    419,904,812.60x = 629,857,218.90 × 113,227,926.20
  4. Step 4: Simplify right side
    419,904,812.60x = 71,317,426,698,146,448
  5. Step 5: Solve for x
    x = 71,317,426,698,146,448/419,904,812.60
  6. Step 6: Final answer
    x = 169,841,889.30

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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.