Home / 509,545,444.68-764,191,802.13-218,379,549.60

Finding the Fourth Proportional to 509,545,444.68, 764,191,802.13 and 218,379,549.60

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Solution

The fourth proportional to 509,545,444.68, 764,191,802.13 and 218,379,549.60 is: 327,515,167.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,545,444.68 : 764,191,802.13 = 218,379,549.60 : x
  2. Step 2: Convert to fraction form
    509,545,444.68/764,191,802.13 = 218,379,549.60/x
  3. Step 3: Cross multiply
    509,545,444.68x = 764,191,802.13 × 218,379,549.60
  4. Step 4: Simplify right side
    509,545,444.68x = 166,883,861,557,161,728
  5. Step 5: Solve for x
    x = 166,883,861,557,161,728/509,545,444.68
  6. Step 6: Final answer
    x = 327,515,167.29

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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.