Home / 445,907,998.40-667,586,539.20-273,721,114.40

Finding the Fourth Proportional to 445,907,998.40, 667,586,539.20 and 273,721,114.40

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Solution

The fourth proportional to 445,907,998.40, 667,586,539.20 and 273,721,114.40 is: 409,798,730.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,907,998.40 : 667,586,539.20 = 273,721,114.40 : x
  2. Step 2: Convert to fraction form
    445,907,998.40/667,586,539.20 = 273,721,114.40/x
  3. Step 3: Cross multiply
    445,907,998.40x = 667,586,539.20 × 273,721,114.40
  4. Step 4: Simplify right side
    445,907,998.40x = 182,732,531,468,263,296
  5. Step 5: Solve for x
    x = 182,732,531,468,263,296/445,907,998.40
  6. Step 6: Final answer
    x = 409,798,730.06

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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.