Home / 449,339,964.60-674,009,946.90-399,175,433.40

Finding the Fourth Proportional to 449,339,964.60, 674,009,946.90 and 399,175,433.40

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Solution

The fourth proportional to 449,339,964.60, 674,009,946.90 and 399,175,433.40 is: 598,763,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,339,964.60 : 674,009,946.90 = 399,175,433.40 : x
  2. Step 2: Convert to fraction form
    449,339,964.60/674,009,946.90 = 399,175,433.40/x
  3. Step 3: Cross multiply
    449,339,964.60x = 674,009,946.90 × 399,175,433.40
  4. Step 4: Simplify right side
    449,339,964.60x = 269,048,212,669,718,464
  5. Step 5: Solve for x
    x = 269,048,212,669,718,464/449,339,964.60
  6. Step 6: Final answer
    x = 598,763,150.10

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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.