Home / 398,768,906.44-550,373,123.46-237,843,204.76

Finding the Fourth Proportional to 398,768,906.44, 550,373,123.46 and 237,843,204.76

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Solution

The fourth proportional to 398,768,906.44, 550,373,123.46 and 237,843,204.76 is: 328,266,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,768,906.44 : 550,373,123.46 = 237,843,204.76 : x
  2. Step 2: Convert to fraction form
    398,768,906.44/550,373,123.46 = 237,843,204.76/x
  3. Step 3: Cross multiply
    398,768,906.44x = 550,373,123.46 × 237,843,204.76
  4. Step 4: Simplify right side
    398,768,906.44x = 130,902,507,497,497,536
  5. Step 5: Solve for x
    x = 130,902,507,497,497,536/398,768,906.44
  6. Step 6: Final answer
    x = 328,266,585.94

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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.