Home / 7,188,352,170.55-10,783,070,401.61-2,145,810,503.95

Finding the Fourth Proportional to 7,188,352,170.55, 10,783,070,401.61 and 2,145,810,503.95

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Solution

The fourth proportional to 7,188,352,170.55, 10,783,070,401.61 and 2,145,810,503.95 is: 3,218,877,593.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,352,170.55 : 10,783,070,401.61 = 2,145,810,503.95 : x
  2. Step 2: Convert to fraction form
    7,188,352,170.55/10,783,070,401.61 = 2,145,810,503.95/x
  3. Step 3: Cross multiply
    7,188,352,170.55x = 10,783,070,401.61 × 2,145,810,503.95
  4. Step 4: Simplify right side
    7,188,352,170.55x = 23,138,425,732,607,086,592
  5. Step 5: Solve for x
    x = 23,138,425,732,607,086,592/7,188,352,170.55
  6. Step 6: Final answer
    x = 3,218,877,593.03

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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.