Home / 298,996,891.20-448,012,447.20-169,218,561.60

Finding the Fourth Proportional to 298,996,891.20, 448,012,447.20 and 169,218,561.60

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Solution

The fourth proportional to 298,996,891.20, 448,012,447.20 and 169,218,561.60 is: 253,554,548.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,996,891.20 : 448,012,447.20 = 169,218,561.60 : x
  2. Step 2: Convert to fraction form
    298,996,891.20/448,012,447.20 = 169,218,561.60/x
  3. Step 3: Cross multiply
    298,996,891.20x = 448,012,447.20 × 169,218,561.60
  4. Step 4: Simplify right side
    298,996,891.20x = 75,812,021,894,079,936
  5. Step 5: Solve for x
    x = 75,812,021,894,079,936/298,996,891.20
  6. Step 6: Final answer
    x = 253,554,548.98

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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.