Home / 321,003,705,296.40-481,505,557,944.60-97,413,296,859.60

Finding the Fourth Proportional to 321,003,705,296.40, 481,505,557,944.60 and 97,413,296,859.60

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Solution

The fourth proportional to 321,003,705,296.40, 481,505,557,944.60 and 97,413,296,859.60 is: 146,119,945,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,003,705,296.40 : 481,505,557,944.60 = 97,413,296,859.60 : x
  2. Step 2: Convert to fraction form
    321,003,705,296.40/481,505,557,944.60 = 97,413,296,859.60/x
  3. Step 3: Cross multiply
    321,003,705,296.40x = 481,505,557,944.60 × 97,413,296,859.60
  4. Step 4: Simplify right side
    321,003,705,296.40x = 46,905,043,855,604,652,703,744
  5. Step 5: Solve for x
    x = 46,905,043,855,604,652,703,744/321,003,705,296.40
  6. Step 6: Final answer
    x = 146,119,945,289.40

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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.