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Finding the Fourth Proportional to 325,550,707.80, 488,326,061.70 and 264,328,704.60

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Solution

The fourth proportional to 325,550,707.80, 488,326,061.70 and 264,328,704.60 is: 396,493,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,550,707.80 : 488,326,061.70 = 264,328,704.60 : x
  2. Step 2: Convert to fraction form
    325,550,707.80/488,326,061.70 = 264,328,704.60/x
  3. Step 3: Cross multiply
    325,550,707.80x = 488,326,061.70 × 264,328,704.60
  4. Step 4: Simplify right side
    325,550,707.80x = 129,078,595,311,580,672
  5. Step 5: Solve for x
    x = 129,078,595,311,580,672/325,550,707.80
  6. Step 6: Final answer
    x = 396,493,056.90

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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.