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Finding the Fourth Proportional to 550,471,211.40, 825,706,817.10 and 529,308,049.80

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Solution

The fourth proportional to 550,471,211.40, 825,706,817.10 and 529,308,049.80 is: 793,962,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,471,211.40 : 825,706,817.10 = 529,308,049.80 : x
  2. Step 2: Convert to fraction form
    550,471,211.40/825,706,817.10 = 529,308,049.80/x
  3. Step 3: Cross multiply
    550,471,211.40x = 825,706,817.10 × 529,308,049.80
  4. Step 4: Simplify right side
    550,471,211.40x = 437,053,265,065,766,336
  5. Step 5: Solve for x
    x = 437,053,265,065,766,336/550,471,211.40
  6. Step 6: Final answer
    x = 793,962,074.70

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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.