Home / 420,093,897.40-629,857,410.90-201,848,793.40

Finding the Fourth Proportional to 420,093,897.40, 629,857,410.90 and 201,848,793.40

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Solution

The fourth proportional to 420,093,897.40, 629,857,410.90 and 201,848,793.40 is: 302,637,003.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,093,897.40 : 629,857,410.90 = 201,848,793.40 : x
  2. Step 2: Convert to fraction form
    420,093,897.40/629,857,410.90 = 201,848,793.40/x
  3. Step 3: Cross multiply
    420,093,897.40x = 629,857,410.90 × 201,848,793.40
  4. Step 4: Simplify right side
    420,093,897.40x = 127,135,958,404,213,008
  5. Step 5: Solve for x
    x = 127,135,958,404,213,008/420,093,897.40
  6. Step 6: Final answer
    x = 302,637,003.75

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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.