Home / 418,702,704,936.96-628,236,738,434.40-146,622,234,726.96

Finding the Fourth Proportional to 418,702,704,936.96, 628,236,738,434.40 and 146,622,234,726.96

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Solution

The fourth proportional to 418,702,704,936.96, 628,236,738,434.40 and 146,622,234,726.96 is: 219,997,323,735.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,702,704,936.96 : 628,236,738,434.40 = 146,622,234,726.96 : x
  2. Step 2: Convert to fraction form
    418,702,704,936.96/628,236,738,434.40 = 146,622,234,726.96/x
  3. Step 3: Cross multiply
    418,702,704,936.96x = 628,236,738,434.40 × 146,622,234,726.96
  4. Step 4: Simplify right side
    418,702,704,936.96x = 92,113,474,526,828,369,543,168
  5. Step 5: Solve for x
    x = 92,113,474,526,828,369,543,168/418,702,704,936.96
  6. Step 6: Final answer
    x = 219,997,323,735.22

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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.