Home / 997,274,711.70-1,495,912,067.55-664,380,069.30

Finding the Fourth Proportional to 997,274,711.70, 1,495,912,067.55 and 664,380,069.30

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Solution

The fourth proportional to 997,274,711.70, 1,495,912,067.55 and 664,380,069.30 is: 996,570,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,274,711.70 : 1,495,912,067.55 = 664,380,069.30 : x
  2. Step 2: Convert to fraction form
    997,274,711.70/1,495,912,067.55 = 664,380,069.30/x
  3. Step 3: Cross multiply
    997,274,711.70x = 1,495,912,067.55 × 664,380,069.30
  4. Step 4: Simplify right side
    997,274,711.70x = 993,854,163,105,575,168
  5. Step 5: Solve for x
    x = 993,854,163,105,575,168/997,274,711.70
  6. Step 6: Final answer
    x = 996,570,103.95

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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.