Home / 321,003,705,287.40-481,505,557,931.10-97,413,296,850.60

Finding the Fourth Proportional to 321,003,705,287.40, 481,505,557,931.10 and 97,413,296,850.60

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Solution

The fourth proportional to 321,003,705,287.40, 481,505,557,931.10 and 97,413,296,850.60 is: 146,119,945,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,003,705,287.40 : 481,505,557,931.10 = 97,413,296,850.60 : x
  2. Step 2: Convert to fraction form
    321,003,705,287.40/481,505,557,931.10 = 97,413,296,850.60/x
  3. Step 3: Cross multiply
    321,003,705,287.40x = 481,505,557,931.10 × 97,413,296,850.60
  4. Step 4: Simplify right side
    321,003,705,287.40x = 46,905,043,849,956,024,123,392
  5. Step 5: Solve for x
    x = 46,905,043,849,956,024,123,392/321,003,705,287.40
  6. Step 6: Final answer
    x = 146,119,945,275.90

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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.