Home / 416,451,343.60-624,677,015.40-212,377,999.60

Finding the Fourth Proportional to 416,451,343.60, 624,677,015.40 and 212,377,999.60

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Solution

The fourth proportional to 416,451,343.60, 624,677,015.40 and 212,377,999.60 is: 318,566,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,451,343.60 : 624,677,015.40 = 212,377,999.60 : x
  2. Step 2: Convert to fraction form
    416,451,343.60/624,677,015.40 = 212,377,999.60/x
  3. Step 3: Cross multiply
    416,451,343.60x = 624,677,015.40 × 212,377,999.60
  4. Step 4: Simplify right side
    416,451,343.60x = 132,667,654,926,750,384
  5. Step 5: Solve for x
    x = 132,667,654,926,750,384/416,451,343.60
  6. Step 6: Final answer
    x = 318,566,999.40

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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.