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Finding the Fourth Proportional to 662,848,940.70, 994,348,060.65 and 202,783,455.90

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Solution

The fourth proportional to 662,848,940.70, 994,348,060.65 and 202,783,455.90 is: 304,198,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,848,940.70 : 994,348,060.65 = 202,783,455.90 : x
  2. Step 2: Convert to fraction form
    662,848,940.70/994,348,060.65 = 202,783,455.90/x
  3. Step 3: Cross multiply
    662,848,940.70x = 994,348,060.65 × 202,783,455.90
  4. Step 4: Simplify right side
    662,848,940.70x = 201,637,336,106,069,792
  5. Step 5: Solve for x
    x = 201,637,336,106,069,792/662,848,940.70
  6. Step 6: Final answer
    x = 304,198,021.19

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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.