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Finding the Fourth Proportional to 323,549,231.10, 485,323,846.65 and 323,549,231.10

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Solution

The fourth proportional to 323,549,231.10, 485,323,846.65 and 323,549,231.10 is: 485,323,846.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,549,231.10 : 485,323,846.65 = 323,549,231.10 : x
  2. Step 2: Convert to fraction form
    323,549,231.10/485,323,846.65 = 323,549,231.10/x
  3. Step 3: Cross multiply
    323,549,231.10x = 485,323,846.65 × 323,549,231.10
  4. Step 4: Simplify right side
    323,549,231.10x = 157,026,157,418,101,824
  5. Step 5: Solve for x
    x = 157,026,157,418,101,824/323,549,231.10
  6. Step 6: Final answer
    x = 485,323,846.65

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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.