Home / 540,868,928.56-746,416,017.30-305,914,991.50

Finding the Fourth Proportional to 540,868,928.56, 746,416,017.30 and 305,914,991.50

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Solution

The fourth proportional to 540,868,928.56, 746,416,017.30 and 305,914,991.50 is: 422,172,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,868,928.56 : 746,416,017.30 = 305,914,991.50 : x
  2. Step 2: Convert to fraction form
    540,868,928.56/746,416,017.30 = 305,914,991.50/x
  3. Step 3: Cross multiply
    540,868,928.56x = 746,416,017.30 × 305,914,991.50
  4. Step 4: Simplify right side
    540,868,928.56x = 228,339,849,587,793,344
  5. Step 5: Solve for x
    x = 228,339,849,587,793,344/540,868,928.56
  6. Step 6: Final answer
    x = 422,172,244.57

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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.