Home / 299,962,961.20-448,936,672.20-209,263,697.20

Finding the Fourth Proportional to 299,962,961.20, 448,936,672.20 and 209,263,697.20

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Solution

The fourth proportional to 299,962,961.20, 448,936,672.20 and 209,263,697.20 is: 313,192,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,962,961.20 : 448,936,672.20 = 209,263,697.20 : x
  2. Step 2: Convert to fraction form
    299,962,961.20/448,936,672.20 = 209,263,697.20/x
  3. Step 3: Cross multiply
    299,962,961.20x = 448,936,672.20 × 209,263,697.20
  4. Step 4: Simplify right side
    299,962,961.20x = 93,946,147,833,236,448
  5. Step 5: Solve for x
    x = 93,946,147,833,236,448/299,962,961.20
  6. Step 6: Final answer
    x = 313,192,493.69

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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.