Home / 328,770,218.05-453,530,889.85-203,282,300.39

Finding the Fourth Proportional to 328,770,218.05, 453,530,889.85 and 203,282,300.39

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Solution

The fourth proportional to 328,770,218.05, 453,530,889.85 and 203,282,300.39 is: 280,423,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,770,218.05 : 453,530,889.85 = 203,282,300.39 : x
  2. Step 2: Convert to fraction form
    328,770,218.05/453,530,889.85 = 203,282,300.39/x
  3. Step 3: Cross multiply
    328,770,218.05x = 453,530,889.85 × 203,282,300.39
  4. Step 4: Simplify right side
    328,770,218.05x = 92,194,802,585,615,296
  5. Step 5: Solve for x
    x = 92,194,802,585,615,296/328,770,218.05
  6. Step 6: Final answer
    x = 280,423,218.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.