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Finding the Fourth Proportional to 1,359,891,740.98, 2,040,253,910.34 and 696,375,554.95

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Solution

The fourth proportional to 1,359,891,740.98, 2,040,253,910.34 and 696,375,554.95 is: 1,044,776,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,891,740.98 : 2,040,253,910.34 = 696,375,554.95 : x
  2. Step 2: Convert to fraction form
    1,359,891,740.98/2,040,253,910.34 = 696,375,554.95/x
  3. Step 3: Cross multiply
    1,359,891,740.98x = 2,040,253,910.34 × 696,375,554.95
  4. Step 4: Simplify right side
    1,359,891,740.98x = 1,420,782,949,051,924,992
  5. Step 5: Solve for x
    x = 1,420,782,949,051,924,992/1,359,891,740.98
  6. Step 6: Final answer
    x = 1,044,776,511.42

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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.