Home / 629,858,441.60-944,787,662.40-432,587,542.40

Finding the Fourth Proportional to 629,858,441.60, 944,787,662.40 and 432,587,542.40

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Solution

The fourth proportional to 629,858,441.60, 944,787,662.40 and 432,587,542.40 is: 648,881,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,858,441.60 : 944,787,662.40 = 432,587,542.40 : x
  2. Step 2: Convert to fraction form
    629,858,441.60/944,787,662.40 = 432,587,542.40/x
  3. Step 3: Cross multiply
    629,858,441.60x = 944,787,662.40 × 432,587,542.40
  4. Step 4: Simplify right side
    629,858,441.60x = 408,703,372,967,456,832
  5. Step 5: Solve for x
    x = 408,703,372,967,456,832/629,858,441.60
  6. Step 6: Final answer
    x = 648,881,313.60

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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.