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Finding the Fourth Proportional to 7,274,865,606.60, 10,912,298,409.90 and 7,274,865,606.60

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Solution

The fourth proportional to 7,274,865,606.60, 10,912,298,409.90 and 7,274,865,606.60 is: 10,912,298,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274,865,606.60 : 10,912,298,409.90 = 7,274,865,606.60 : x
  2. Step 2: Convert to fraction form
    7,274,865,606.60/10,912,298,409.90 = 7,274,865,606.60/x
  3. Step 3: Cross multiply
    7,274,865,606.60x = 10,912,298,409.90 × 7,274,865,606.60
  4. Step 4: Simplify right side
    7,274,865,606.60x = 79,385,504,391,137,378,304
  5. Step 5: Solve for x
    x = 79,385,504,391,137,378,304/7,274,865,606.60
  6. Step 6: Final answer
    x = 10,912,298,409.90

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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.