Home / 449,320,663.20-673,980,994.80-367,691,325.60

Finding the Fourth Proportional to 449,320,663.20, 673,980,994.80 and 367,691,325.60

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Solution

The fourth proportional to 449,320,663.20, 673,980,994.80 and 367,691,325.60 is: 551,536,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,320,663.20 : 673,980,994.80 = 367,691,325.60 : x
  2. Step 2: Convert to fraction form
    449,320,663.20/673,980,994.80 = 367,691,325.60/x
  3. Step 3: Cross multiply
    449,320,663.20x = 673,980,994.80 × 367,691,325.60
  4. Step 4: Simplify right side
    449,320,663.20x = 247,816,965,407,218,720
  5. Step 5: Solve for x
    x = 247,816,965,407,218,720/449,320,663.20
  6. Step 6: Final answer
    x = 551,536,988.40

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1.5x scale

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.