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Finding the Fourth Proportional to 298,540,672.80, 448,010,074.80 and 169,148,032.80

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Solution

The fourth proportional to 298,540,672.80, 448,010,074.80 and 169,148,032.80 is: 253,834,836.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,540,672.80 : 448,010,074.80 = 169,148,032.80 : x
  2. Step 2: Convert to fraction form
    298,540,672.80/448,010,074.80 = 169,148,032.80/x
  3. Step 3: Cross multiply
    298,540,672.80x = 448,010,074.80 × 169,148,032.80
  4. Step 4: Simplify right side
    298,540,672.80x = 75,780,022,827,000,864
  5. Step 5: Solve for x
    x = 75,780,022,827,000,864/298,540,672.80
  6. Step 6: Final answer
    x = 253,834,836.36

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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.