Home / 340,898,620.80-511,347,931.20-149,795,644.80

Finding the Fourth Proportional to 340,898,620.80, 511,347,931.20 and 149,795,644.80

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Solution

The fourth proportional to 340,898,620.80, 511,347,931.20 and 149,795,644.80 is: 224,693,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,898,620.80 : 511,347,931.20 = 149,795,644.80 : x
  2. Step 2: Convert to fraction form
    340,898,620.80/511,347,931.20 = 149,795,644.80/x
  3. Step 3: Cross multiply
    340,898,620.80x = 511,347,931.20 × 149,795,644.80
  4. Step 4: Simplify right side
    340,898,620.80x = 76,597,693,071,250,048
  5. Step 5: Solve for x
    x = 76,597,693,071,250,048/340,898,620.80
  6. Step 6: Final answer
    x = 224,693,467.20

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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.