Home / 363,431,750.40-545,147,625.60-169,278,638.40

Finding the Fourth Proportional to 363,431,750.40, 545,147,625.60 and 169,278,638.40

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Solution

The fourth proportional to 363,431,750.40, 545,147,625.60 and 169,278,638.40 is: 253,917,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,431,750.40 : 545,147,625.60 = 169,278,638.40 : x
  2. Step 2: Convert to fraction form
    363,431,750.40/545,147,625.60 = 169,278,638.40/x
  3. Step 3: Cross multiply
    363,431,750.40x = 545,147,625.60 × 169,278,638.40
  4. Step 4: Simplify right side
    363,431,750.40x = 92,281,847,788,560,992
  5. Step 5: Solve for x
    x = 92,281,847,788,560,992/363,431,750.40
  6. Step 6: Final answer
    x = 253,917,957.60

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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.