Home / 443,561,745.60-665,342,618.40-328,770,489.60

Finding the Fourth Proportional to 443,561,745.60, 665,342,618.40 and 328,770,489.60

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Solution

The fourth proportional to 443,561,745.60, 665,342,618.40 and 328,770,489.60 is: 493,155,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,561,745.60 : 665,342,618.40 = 328,770,489.60 : x
  2. Step 2: Convert to fraction form
    443,561,745.60/665,342,618.40 = 328,770,489.60/x
  3. Step 3: Cross multiply
    443,561,745.60x = 665,342,618.40 × 328,770,489.60
  4. Step 4: Simplify right side
    443,561,745.60x = 218,745,018,403,113,984
  5. Step 5: Solve for x
    x = 218,745,018,403,113,984/443,561,745.60
  6. Step 6: Final answer
    x = 493,155,734.40

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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.