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Finding the Fourth Proportional to 299,583,561.70, 448,380,014.55 and 217,469,001.70

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Solution

The fourth proportional to 299,583,561.70, 448,380,014.55 and 217,469,001.70 is: 325,480,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,583,561.70 : 448,380,014.55 = 217,469,001.70 : x
  2. Step 2: Convert to fraction form
    299,583,561.70/448,380,014.55 = 217,469,001.70/x
  3. Step 3: Cross multiply
    299,583,561.70x = 448,380,014.55 × 217,469,001.70
  4. Step 4: Simplify right side
    299,583,561.70x = 97,508,754,146,419,968
  5. Step 5: Solve for x
    x = 97,508,754,146,419,968/299,583,561.70
  6. Step 6: Final answer
    x = 325,480,989.65

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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.