Home / 490,187,350.92-676,482,475.30-275,673,495.56

Finding the Fourth Proportional to 490,187,350.92, 676,482,475.30 and 275,673,495.56

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Solution

The fourth proportional to 490,187,350.92, 676,482,475.30 and 275,673,495.56 is: 380,442,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,187,350.92 : 676,482,475.30 = 275,673,495.56 : x
  2. Step 2: Convert to fraction form
    490,187,350.92/676,482,475.30 = 275,673,495.56/x
  3. Step 3: Cross multiply
    490,187,350.92x = 676,482,475.30 × 275,673,495.56
  4. Step 4: Simplify right side
    490,187,350.92x = 186,488,288,646,271,584
  5. Step 5: Solve for x
    x = 186,488,288,646,271,584/490,187,350.92
  6. Step 6: Final answer
    x = 380,442,882.29

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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.