Home / 298,996,864.20-448,012,406.70-169,218,534.60

Finding the Fourth Proportional to 298,996,864.20, 448,012,406.70 and 169,218,534.60

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Solution

The fourth proportional to 298,996,864.20, 448,012,406.70 and 169,218,534.60 is: 253,554,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,996,864.20 : 448,012,406.70 = 169,218,534.60 : x
  2. Step 2: Convert to fraction form
    298,996,864.20/448,012,406.70 = 169,218,534.60/x
  3. Step 3: Cross multiply
    298,996,864.20x = 448,012,406.70 × 169,218,534.60
  4. Step 4: Simplify right side
    298,996,864.20x = 75,812,002,944,393,216
  5. Step 5: Solve for x
    x = 75,812,002,944,393,216/298,996,864.20
  6. Step 6: Final answer
    x = 253,554,508.50

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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.