Home / 624,026,735.60-936,040,103.40-442,628,207.60

Finding the Fourth Proportional to 624,026,735.60, 936,040,103.40 and 442,628,207.60

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Solution

The fourth proportional to 624,026,735.60, 936,040,103.40 and 442,628,207.60 is: 663,942,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,026,735.60 : 936,040,103.40 = 442,628,207.60 : x
  2. Step 2: Convert to fraction form
    624,026,735.60/936,040,103.40 = 442,628,207.60/x
  3. Step 3: Cross multiply
    624,026,735.60x = 936,040,103.40 × 442,628,207.60
  4. Step 4: Simplify right side
    624,026,735.60x = 414,317,753,209,660,672
  5. Step 5: Solve for x
    x = 414,317,753,209,660,672/624,026,735.60
  6. Step 6: Final answer
    x = 663,942,311.40

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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.