Home / 1,119,744,908.70-1,679,617,363.05-343,384,403.10

Finding the Fourth Proportional to 1,119,744,908.70, 1,679,617,363.05 and 343,384,403.10

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Solution

The fourth proportional to 1,119,744,908.70, 1,679,617,363.05 and 343,384,403.10 is: 515,076,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,744,908.70 : 1,679,617,363.05 = 343,384,403.10 : x
  2. Step 2: Convert to fraction form
    1,119,744,908.70/1,679,617,363.05 = 343,384,403.10/x
  3. Step 3: Cross multiply
    1,119,744,908.70x = 1,679,617,363.05 × 343,384,403.10
  4. Step 4: Simplify right side
    1,119,744,908.70x = 576,754,405,647,320,320
  5. Step 5: Solve for x
    x = 576,754,405,647,320,320/1,119,744,908.70
  6. Step 6: Final answer
    x = 515,076,604.65

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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.