Home / 397,172,096.80-595,758,145.20-274,728,090.40

Finding the Fourth Proportional to 397,172,096.80, 595,758,145.20 and 274,728,090.40

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Solution

The fourth proportional to 397,172,096.80, 595,758,145.20 and 274,728,090.40 is: 412,092,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,172,096.80 : 595,758,145.20 = 274,728,090.40 : x
  2. Step 2: Convert to fraction form
    397,172,096.80/595,758,145.20 = 274,728,090.40/x
  3. Step 3: Cross multiply
    397,172,096.80x = 595,758,145.20 × 274,728,090.40
  4. Step 4: Simplify right side
    397,172,096.80x = 163,671,497,571,041,920
  5. Step 5: Solve for x
    x = 163,671,497,571,041,920/397,172,096.80
  6. Step 6: Final answer
    x = 412,092,135.60

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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.