Home / 397,788,489.60-596,682,734.40-203,635,377.60

Finding the Fourth Proportional to 397,788,489.60, 596,682,734.40 and 203,635,377.60

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Solution

The fourth proportional to 397,788,489.60, 596,682,734.40 and 203,635,377.60 is: 305,453,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,788,489.60 : 596,682,734.40 = 203,635,377.60 : x
  2. Step 2: Convert to fraction form
    397,788,489.60/596,682,734.40 = 203,635,377.60/x
  3. Step 3: Cross multiply
    397,788,489.60x = 596,682,734.40 × 203,635,377.60
  4. Step 4: Simplify right side
    397,788,489.60x = 121,505,713,926,944,496
  5. Step 5: Solve for x
    x = 121,505,713,926,944,496/397,788,489.60
  6. Step 6: Final answer
    x = 305,453,066.40

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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.