Home / 449,320,657.90-673,980,986.85-367,691,320.30

Finding the Fourth Proportional to 449,320,657.90, 673,980,986.85 and 367,691,320.30

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Solution

The fourth proportional to 449,320,657.90, 673,980,986.85 and 367,691,320.30 is: 551,536,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,320,657.90 : 673,980,986.85 = 367,691,320.30 : x
  2. Step 2: Convert to fraction form
    449,320,657.90/673,980,986.85 = 367,691,320.30/x
  3. Step 3: Cross multiply
    449,320,657.90x = 673,980,986.85 × 367,691,320.30
  4. Step 4: Simplify right side
    449,320,657.90x = 247,816,958,911,973,440
  5. Step 5: Solve for x
    x = 247,816,958,911,973,440/449,320,657.90
  6. Step 6: Final answer
    x = 551,536,980.45

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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.