Home / 1,213,096,270.80-1,819,644,406.20-436,861,736.40

Finding the Fourth Proportional to 1,213,096,270.80, 1,819,644,406.20 and 436,861,736.40

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Solution

The fourth proportional to 1,213,096,270.80, 1,819,644,406.20 and 436,861,736.40 is: 655,292,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,096,270.80 : 1,819,644,406.20 = 436,861,736.40 : x
  2. Step 2: Convert to fraction form
    1,213,096,270.80/1,819,644,406.20 = 436,861,736.40/x
  3. Step 3: Cross multiply
    1,213,096,270.80x = 1,819,644,406.20 × 436,861,736.40
  4. Step 4: Simplify right side
    1,213,096,270.80x = 794,933,014,923,078,912
  5. Step 5: Solve for x
    x = 794,933,014,923,078,912/1,213,096,270.80
  6. Step 6: Final answer
    x = 655,292,604.60

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Double scale
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Similar ratio
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1.5x scale

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.