Home / 424,901,999.40-637,352,999.10-252,289,962.60

Finding the Fourth Proportional to 424,901,999.40, 637,352,999.10 and 252,289,962.60

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Solution

The fourth proportional to 424,901,999.40, 637,352,999.10 and 252,289,962.60 is: 378,434,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,901,999.40 : 637,352,999.10 = 252,289,962.60 : x
  2. Step 2: Convert to fraction form
    424,901,999.40/637,352,999.10 = 252,289,962.60/x
  3. Step 3: Cross multiply
    424,901,999.40x = 637,352,999.10 × 252,289,962.60
  4. Step 4: Simplify right side
    424,901,999.40x = 160,797,764,305,936,832
  5. Step 5: Solve for x
    x = 160,797,764,305,936,832/424,901,999.40
  6. Step 6: Final answer
    x = 378,434,943.90

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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.