Home / 1,193,227,647,226.20-1,646,654,812,598-644,518,948,921.70

Finding the Fourth Proportional to 1,193,227,647,226.20, 1,646,654,812,598 and 644,518,948,921.70

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Solution

The fourth proportional to 1,193,227,647,226.20, 1,646,654,812,598 and 644,518,948,921.70 is: 889,436,505,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,227,647,226.20 : 1,646,654,812,598 = 644,518,948,921.70 : x
  2. Step 2: Convert to fraction form
    1,193,227,647,226.20/1,646,654,812,598 = 644,518,948,921.70/x
  3. Step 3: Cross multiply
    1,193,227,647,226.20x = 1,646,654,812,598 × 644,518,948,921.70
  4. Step 4: Simplify right side
    1,193,227,647,226.20x = 1,061,300,229,052,521,747,841,024
  5. Step 5: Solve for x
    x = 1,061,300,229,052,521,747,841,024/1,193,227,647,226.20
  6. Step 6: Final answer
    x = 889,436,505,699.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.