Home / 298,996,965.20-448,012,558.20-169,218,635.60

Finding the Fourth Proportional to 298,996,965.20, 448,012,558.20 and 169,218,635.60

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Solution

The fourth proportional to 298,996,965.20, 448,012,558.20 and 169,218,635.60 is: 253,554,659.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,996,965.20 : 448,012,558.20 = 169,218,635.60 : x
  2. Step 2: Convert to fraction form
    298,996,965.20/448,012,558.20 = 169,218,635.60/x
  3. Step 3: Cross multiply
    298,996,965.20x = 448,012,558.20 × 169,218,635.60
  4. Step 4: Simplify right side
    298,996,965.20x = 75,812,073,830,269,584
  5. Step 5: Solve for x
    x = 75,812,073,830,269,584/298,996,965.20
  6. Step 6: Final answer
    x = 253,554,659.93

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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.