Home / 398,601,007.20-597,901,510.80-226,414,123.20

Finding the Fourth Proportional to 398,601,007.20, 597,901,510.80 and 226,414,123.20

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Solution

The fourth proportional to 398,601,007.20, 597,901,510.80 and 226,414,123.20 is: 339,621,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,601,007.20 : 597,901,510.80 = 226,414,123.20 : x
  2. Step 2: Convert to fraction form
    398,601,007.20/597,901,510.80 = 226,414,123.20/x
  3. Step 3: Cross multiply
    398,601,007.20x = 597,901,510.80 × 226,414,123.20
  4. Step 4: Simplify right side
    398,601,007.20x = 135,373,346,327,737,312
  5. Step 5: Solve for x
    x = 135,373,346,327,737,312/398,601,007.20
  6. Step 6: Final answer
    x = 339,621,184.80

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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.