Home / 887,434,081.30-1,328,600,205.15-543,060,313.30

Finding the Fourth Proportional to 887,434,081.30, 1,328,600,205.15 and 543,060,313.30

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Solution

The fourth proportional to 887,434,081.30, 1,328,600,205.15 and 543,060,313.30 is: 813,029,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,434,081.30 : 1,328,600,205.15 = 543,060,313.30 : x
  2. Step 2: Convert to fraction form
    887,434,081.30/1,328,600,205.15 = 543,060,313.30/x
  3. Step 3: Cross multiply
    887,434,081.30x = 1,328,600,205.15 × 543,060,313.30
  4. Step 4: Simplify right side
    887,434,081.30x = 721,510,043,659,203,200
  5. Step 5: Solve for x
    x = 721,510,043,659,203,200/887,434,081.30
  6. Step 6: Final answer
    x = 813,029,450.71

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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.