Home / 511,528,328.28-705,747,950.46-313,082,942.04

Finding the Fourth Proportional to 511,528,328.28, 705,747,950.46 and 313,082,942.04

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Solution

The fourth proportional to 511,528,328.28, 705,747,950.46 and 313,082,942.04 is: 431,955,832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,528,328.28 : 705,747,950.46 = 313,082,942.04 : x
  2. Step 2: Convert to fraction form
    511,528,328.28/705,747,950.46 = 313,082,942.04/x
  3. Step 3: Cross multiply
    511,528,328.28x = 705,747,950.46 × 313,082,942.04
  4. Step 4: Simplify right side
    511,528,328.28x = 220,957,644,668,716,992
  5. Step 5: Solve for x
    x = 220,957,644,668,716,992/511,528,328.28
  6. Step 6: Final answer
    x = 431,955,832.07

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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.