Home / 540,868,927.56-746,416,015.92-305,914,990.50

Finding the Fourth Proportional to 540,868,927.56, 746,416,015.92 and 305,914,990.50

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Solution

The fourth proportional to 540,868,927.56, 746,416,015.92 and 305,914,990.50 is: 422,172,243.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,868,927.56 : 746,416,015.92 = 305,914,990.50 : x
  2. Step 2: Convert to fraction form
    540,868,927.56/746,416,015.92 = 305,914,990.50/x
  3. Step 3: Cross multiply
    540,868,927.56x = 746,416,015.92 × 305,914,990.50
  4. Step 4: Simplify right side
    540,868,927.56x = 228,339,848,419,214,624
  5. Step 5: Solve for x
    x = 228,339,848,419,214,624/540,868,927.56
  6. Step 6: Final answer
    x = 422,172,243.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.