Home / 416,448,053.60-624,672,080.40-212,374,709.60

Finding the Fourth Proportional to 416,448,053.60, 624,672,080.40 and 212,374,709.60

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Solution

The fourth proportional to 416,448,053.60, 624,672,080.40 and 212,374,709.60 is: 318,562,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,448,053.60 : 624,672,080.40 = 212,374,709.60 : x
  2. Step 2: Convert to fraction form
    416,448,053.60/624,672,080.40 = 212,374,709.60/x
  3. Step 3: Cross multiply
    416,448,053.60x = 624,672,080.40 × 212,374,709.60
  4. Step 4: Simplify right side
    416,448,053.60x = 132,664,551,670,177,840
  5. Step 5: Solve for x
    x = 132,664,551,670,177,840/416,448,053.60
  6. Step 6: Final answer
    x = 318,562,064.40

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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.