Home / 347,328,008.10-520,992,012.15-211,055,163.30

Finding the Fourth Proportional to 347,328,008.10, 520,992,012.15 and 211,055,163.30

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Solution

The fourth proportional to 347,328,008.10, 520,992,012.15 and 211,055,163.30 is: 316,582,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,328,008.10 : 520,992,012.15 = 211,055,163.30 : x
  2. Step 2: Convert to fraction form
    347,328,008.10/520,992,012.15 = 211,055,163.30/x
  3. Step 3: Cross multiply
    347,328,008.10x = 520,992,012.15 × 211,055,163.30
  4. Step 4: Simplify right side
    347,328,008.10x = 109,958,054,202,313,840
  5. Step 5: Solve for x
    x = 109,958,054,202,313,840/347,328,008.10
  6. Step 6: Final answer
    x = 316,582,744.95

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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.