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Finding the Fourth Proportional to 9,132,912,793.80, 13,699,369,190.70 and 9,132,912,793.80

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Solution

The fourth proportional to 9,132,912,793.80, 13,699,369,190.70 and 9,132,912,793.80 is: 13,699,369,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132,912,793.80 : 13,699,369,190.70 = 9,132,912,793.80 : x
  2. Step 2: Convert to fraction form
    9,132,912,793.80/13,699,369,190.70 = 9,132,912,793.80/x
  3. Step 3: Cross multiply
    9,132,912,793.80x = 13,699,369,190.70 × 9,132,912,793.80
  4. Step 4: Simplify right side
    9,132,912,793.80x = 125,115,144,148,733,575,168
  5. Step 5: Solve for x
    x = 125,115,144,148,733,575,168/9,132,912,793.80
  6. Step 6: Final answer
    x = 13,699,369,190.70

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Double scale
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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.