Home / 299,150,706.88-448,884,049.20-212,273,602.84

Finding the Fourth Proportional to 299,150,706.88, 448,884,049.20 and 212,273,602.84

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Solution

The fourth proportional to 299,150,706.88, 448,884,049.20 and 212,273,602.84 is: 318,522,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,150,706.88 : 448,884,049.20 = 212,273,602.84 : x
  2. Step 2: Convert to fraction form
    299,150,706.88/448,884,049.20 = 212,273,602.84/x
  3. Step 3: Cross multiply
    299,150,706.88x = 448,884,049.20 × 212,273,602.84
  4. Step 4: Simplify right side
    299,150,706.88x = 95,286,234,381,091,824
  5. Step 5: Solve for x
    x = 95,286,234,381,091,824/299,150,706.88
  6. Step 6: Final answer
    x = 318,522,511.19

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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.