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Finding the Fourth Proportional to 264,672,341.20, 396,112,716.60 and 264,672,341.20

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Solution

The fourth proportional to 264,672,341.20, 396,112,716.60 and 264,672,341.20 is: 396,112,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,672,341.20 : 396,112,716.60 = 264,672,341.20 : x
  2. Step 2: Convert to fraction form
    264,672,341.20/396,112,716.60 = 264,672,341.20/x
  3. Step 3: Cross multiply
    264,672,341.20x = 396,112,716.60 × 264,672,341.20
  4. Step 4: Simplify right side
    264,672,341.20x = 104,840,080,081,614,112
  5. Step 5: Solve for x
    x = 104,840,080,081,614,112/264,672,341.20
  6. Step 6: Final answer
    x = 396,112,716.60

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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.