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Finding the Fourth Proportional to 624,136,129.62, 936,338,364.83 and 181,486,500.84

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Solution

The fourth proportional to 624,136,129.62, 936,338,364.83 and 181,486,500.84 is: 272,268,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,136,129.62 : 936,338,364.83 = 181,486,500.84 : x
  2. Step 2: Convert to fraction form
    624,136,129.62/936,338,364.83 = 181,486,500.84/x
  3. Step 3: Cross multiply
    624,136,129.62x = 936,338,364.83 × 181,486,500.84
  4. Step 4: Simplify right side
    624,136,129.62x = 169,932,773,435,244,032
  5. Step 5: Solve for x
    x = 169,932,773,435,244,032/624,136,129.62
  6. Step 6: Final answer
    x = 272,268,765.37

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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.