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Finding the Fourth Proportional to 9,770,691,656.80, 14,656,037,485.20 and 9,770,691,656.80

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Solution

The fourth proportional to 9,770,691,656.80, 14,656,037,485.20 and 9,770,691,656.80 is: 14,656,037,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,770,691,656.80 : 14,656,037,485.20 = 9,770,691,656.80 : x
  2. Step 2: Convert to fraction form
    9,770,691,656.80/14,656,037,485.20 = 9,770,691,656.80/x
  3. Step 3: Cross multiply
    9,770,691,656.80x = 14,656,037,485.20 × 9,770,691,656.80
  4. Step 4: Simplify right side
    9,770,691,656.80x = 143,199,623,178,391,683,072
  5. Step 5: Solve for x
    x = 143,199,623,178,391,683,072/9,770,691,656.80
  6. Step 6: Final answer
    x = 14,656,037,485.20

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Double scale
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Similar ratio
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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.