Home / 449,388,532.80-674,082,799.20-313,227,662.40

Finding the Fourth Proportional to 449,388,532.80, 674,082,799.20 and 313,227,662.40

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Solution

The fourth proportional to 449,388,532.80, 674,082,799.20 and 313,227,662.40 is: 469,841,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,388,532.80 : 674,082,799.20 = 313,227,662.40 : x
  2. Step 2: Convert to fraction form
    449,388,532.80/674,082,799.20 = 313,227,662.40/x
  3. Step 3: Cross multiply
    449,388,532.80x = 674,082,799.20 × 313,227,662.40
  4. Step 4: Simplify right side
    449,388,532.80x = 211,141,379,457,464,576
  5. Step 5: Solve for x
    x = 211,141,379,457,464,576/449,388,532.80
  6. Step 6: Final answer
    x = 469,841,493.60

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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.