Home / 443,561,920.10-665,342,880.15-328,770,664.10

Finding the Fourth Proportional to 443,561,920.10, 665,342,880.15 and 328,770,664.10

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Solution

The fourth proportional to 443,561,920.10, 665,342,880.15 and 328,770,664.10 is: 493,155,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,561,920.10 : 665,342,880.15 = 328,770,664.10 : x
  2. Step 2: Convert to fraction form
    443,561,920.10/665,342,880.15 = 328,770,664.10/x
  3. Step 3: Cross multiply
    443,561,920.10x = 665,342,880.15 × 328,770,664.10
  4. Step 4: Simplify right side
    443,561,920.10x = 218,745,220,561,122,208
  5. Step 5: Solve for x
    x = 218,745,220,561,122,208/443,561,920.10
  6. Step 6: Final answer
    x = 493,155,996.15

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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.