Home / 439,345,644.40-659,018,466.60-337,308,972.40

Finding the Fourth Proportional to 439,345,644.40, 659,018,466.60 and 337,308,972.40

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Solution

The fourth proportional to 439,345,644.40, 659,018,466.60 and 337,308,972.40 is: 505,963,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,345,644.40 : 659,018,466.60 = 337,308,972.40 : x
  2. Step 2: Convert to fraction form
    439,345,644.40/659,018,466.60 = 337,308,972.40/x
  3. Step 3: Cross multiply
    439,345,644.40x = 659,018,466.60 × 337,308,972.40
  4. Step 4: Simplify right side
    439,345,644.40x = 222,292,841,761,469,728
  5. Step 5: Solve for x
    x = 222,292,841,761,469,728/439,345,644.40
  6. Step 6: Final answer
    x = 505,963,458.60

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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.