Home / 331,172,693,998.40-496,759,040,997.60-142,608,924,142.40

Finding the Fourth Proportional to 331,172,693,998.40, 496,759,040,997.60 and 142,608,924,142.40

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Solution

The fourth proportional to 331,172,693,998.40, 496,759,040,997.60 and 142,608,924,142.40 is: 213,913,386,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,172,693,998.40 : 496,759,040,997.60 = 142,608,924,142.40 : x
  2. Step 2: Convert to fraction form
    331,172,693,998.40/496,759,040,997.60 = 142,608,924,142.40/x
  3. Step 3: Cross multiply
    331,172,693,998.40x = 496,759,040,997.60 × 142,608,924,142.40
  4. Step 4: Simplify right side
    331,172,693,998.40x = 70,842,272,394,678,099,771,392
  5. Step 5: Solve for x
    x = 70,842,272,394,678,099,771,392/331,172,693,998.40
  6. Step 6: Final answer
    x = 213,913,386,213.60

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1.5x scale

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.