Home / 1,420,946,595-1,960,806,755.78-826,188,884.12

Finding the Fourth Proportional to 1,420,946,595, 1,960,806,755.78 and 826,188,884.12

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Solution

The fourth proportional to 1,420,946,595, 1,960,806,755.78 and 826,188,884.12 is: 1,140,082,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,946,595 : 1,960,806,755.78 = 826,188,884.12 : x
  2. Step 2: Convert to fraction form
    1,420,946,595/1,960,806,755.78 = 826,188,884.12/x
  3. Step 3: Cross multiply
    1,420,946,595x = 1,960,806,755.78 × 826,188,884.12
  4. Step 4: Simplify right side
    1,420,946,595x = 1,619,996,745,532,835,584
  5. Step 5: Solve for x
    x = 1,619,996,745,532,835,584/1,420,946,595
  6. Step 6: Final answer
    x = 1,140,082,780.90

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1.5x scale

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.