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Finding the Fourth Proportional to 298,996,964.70, 448,012,557.45 and 169,218,635.10

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Solution

The fourth proportional to 298,996,964.70, 448,012,557.45 and 169,218,635.10 is: 253,554,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,996,964.70 : 448,012,557.45 = 169,218,635.10 : x
  2. Step 2: Convert to fraction form
    298,996,964.70/448,012,557.45 = 169,218,635.10/x
  3. Step 3: Cross multiply
    298,996,964.70x = 448,012,557.45 × 169,218,635.10
  4. Step 4: Simplify right side
    298,996,964.70x = 75,812,073,479,349,328
  5. Step 5: Solve for x
    x = 75,812,073,479,349,328/298,996,964.70
  6. Step 6: Final answer
    x = 253,554,659.18

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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.