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Finding the Fourth Proportional to 1,123,848,125.60, 1,683,504,706.80 and 1,123,848,125.60

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Solution

The fourth proportional to 1,123,848,125.60, 1,683,504,706.80 and 1,123,848,125.60 is: 1,683,504,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,848,125.60 : 1,683,504,706.80 = 1,123,848,125.60 : x
  2. Step 2: Convert to fraction form
    1,123,848,125.60/1,683,504,706.80 = 1,123,848,125.60/x
  3. Step 3: Cross multiply
    1,123,848,125.60x = 1,683,504,706.80 × 1,123,848,125.60
  4. Step 4: Simplify right side
    1,123,848,125.60x = 1,892,003,609,175,957,248
  5. Step 5: Solve for x
    x = 1,892,003,609,175,957,248/1,123,848,125.60
  6. Step 6: Final answer
    x = 1,683,504,706.80

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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.