Home / 299,592,334.20-449,388,501.30-208,818,420.60

Finding the Fourth Proportional to 299,592,334.20, 449,388,501.30 and 208,818,420.60

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Solution

The fourth proportional to 299,592,334.20, 449,388,501.30 and 208,818,420.60 is: 313,227,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,592,334.20 : 449,388,501.30 = 208,818,420.60 : x
  2. Step 2: Convert to fraction form
    299,592,334.20/449,388,501.30 = 208,818,420.60/x
  3. Step 3: Cross multiply
    299,592,334.20x = 449,388,501.30 × 208,818,420.60
  4. Step 4: Simplify right side
    299,592,334.20x = 93,840,597,077,267,040
  5. Step 5: Solve for x
    x = 93,840,597,077,267,040/299,592,334.20
  6. Step 6: Final answer
    x = 313,227,630.90

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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.